Home / 121,234.89-181,852.35-36,995.50

Finding the Fourth Proportional to 121,234.89, 181,852.35 and 36,995.50

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Solution

The fourth proportional to 121,234.89, 181,852.35 and 36,995.50 is: 55,493.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,234.89 : 181,852.35 = 36,995.50 : x
  2. Step 2: Convert to fraction form
    121,234.89/181,852.35 = 36,995.50/x
  3. Step 3: Cross multiply
    121,234.89x = 181,852.35 × 36,995.50
  4. Step 4: Simplify right side
    121,234.89x = 6,727,717,705.16
  5. Step 5: Solve for x
    x = 6,727,717,705.16/121,234.89
  6. Step 6: Final answer
    x = 55,493.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.