Home / 186,233.52-279,128.24-129,767.84

Finding the Fourth Proportional to 186,233.52, 279,128.24 and 129,767.84

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Solution

The fourth proportional to 186,233.52, 279,128.24 and 129,767.84 is: 194,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,233.52 : 279,128.24 = 129,767.84 : x
  2. Step 2: Convert to fraction form
    186,233.52/279,128.24 = 129,767.84/x
  3. Step 3: Cross multiply
    186,233.52x = 279,128.24 × 129,767.84
  4. Step 4: Simplify right side
    186,233.52x = 36,221,868,787.80
  5. Step 5: Solve for x
    x = 36,221,868,787.80/186,233.52
  6. Step 6: Final answer
    x = 194,497.04

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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.