Home / 121,239.02-181,858.52-36,999.61

Finding the Fourth Proportional to 121,239.02, 181,858.52 and 36,999.61

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Solution

The fourth proportional to 121,239.02, 181,858.52 and 36,999.61 is: 55,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,239.02 : 181,858.52 = 36,999.61 : x
  2. Step 2: Convert to fraction form
    121,239.02/181,858.52 = 36,999.61/x
  3. Step 3: Cross multiply
    121,239.02x = 181,858.52 × 36,999.61
  4. Step 4: Simplify right side
    121,239.02x = 6,728,694,635.00
  5. Step 5: Solve for x
    x = 6,728,694,635.00/121,239.02
  6. Step 6: Final answer
    x = 55,499.42

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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.