Home / 186,442.28-257,290.78-101,557.52

Finding the Fourth Proportional to 186,442.28, 257,290.78 and 101,557.52

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Solution

The fourth proportional to 186,442.28, 257,290.78 and 101,557.52 is: 140,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,442.28 : 257,290.78 = 101,557.52 : x
  2. Step 2: Convert to fraction form
    186,442.28/257,290.78 = 101,557.52/x
  3. Step 3: Cross multiply
    186,442.28x = 257,290.78 × 101,557.52
  4. Step 4: Simplify right side
    186,442.28x = 26,129,813,535.67
  5. Step 5: Solve for x
    x = 26,129,813,535.67/186,442.28
  6. Step 6: Final answer
    x = 140,149.61

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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.