Home / 121,205.45-181,808.23-58,010.70

Finding the Fourth Proportional to 121,205.45, 181,808.23 and 58,010.70

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Solution

The fourth proportional to 121,205.45, 181,808.23 and 58,010.70 is: 87,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205.45 : 181,808.23 = 58,010.70 : x
  2. Step 2: Convert to fraction form
    121,205.45/181,808.23 = 58,010.70/x
  3. Step 3: Cross multiply
    121,205.45x = 181,808.23 × 58,010.70
  4. Step 4: Simplify right side
    121,205.45x = 10,546,822,688.06
  5. Step 5: Solve for x
    x = 10,546,822,688.06/121,205.45
  6. Step 6: Final answer
    x = 87,016.08

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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.