Home / 121,005.28-181,341.46-61,716.12

Finding the Fourth Proportional to 121,005.28, 181,341.46 and 61,716.12

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Solution

The fourth proportional to 121,005.28, 181,341.46 and 61,716.12 is: 92,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,005.28 : 181,341.46 = 61,716.12 : x
  2. Step 2: Convert to fraction form
    121,005.28/181,341.46 = 61,716.12/x
  3. Step 3: Cross multiply
    121,005.28x = 181,341.46 × 61,716.12
  4. Step 4: Simplify right side
    121,005.28x = 11,191,691,306.34
  5. Step 5: Solve for x
    x = 11,191,691,306.34/121,005.28
  6. Step 6: Final answer
    x = 92,489.28

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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.