Home / 198,577.91-274,036.16-113,711.38

Finding the Fourth Proportional to 198,577.91, 274,036.16 and 113,711.38

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Solution

The fourth proportional to 198,577.91, 274,036.16 and 113,711.38 is: 156,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,577.91 : 274,036.16 = 113,711.38 : x
  2. Step 2: Convert to fraction form
    198,577.91/274,036.16 = 113,711.38/x
  3. Step 3: Cross multiply
    198,577.91x = 274,036.16 × 113,711.38
  4. Step 4: Simplify right side
    198,577.91x = 31,161,029,522.69
  5. Step 5: Solve for x
    x = 31,161,029,522.69/198,577.91
  6. Step 6: Final answer
    x = 156,920.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.