Home / 121,561.28-182,341.92-97,092.80

Finding the Fourth Proportional to 121,561.28, 182,341.92 and 97,092.80

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Solution

The fourth proportional to 121,561.28, 182,341.92 and 97,092.80 is: 145,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,561.28 : 182,341.92 = 97,092.80 : x
  2. Step 2: Convert to fraction form
    121,561.28/182,341.92 = 97,092.80/x
  3. Step 3: Cross multiply
    121,561.28x = 182,341.92 × 97,092.80
  4. Step 4: Simplify right side
    121,561.28x = 17,704,087,570.18
  5. Step 5: Solve for x
    x = 17,704,087,570.18/121,561.28
  6. Step 6: Final answer
    x = 145,639.20

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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.