Home / 186,979.30-280,470.55-62,320.30

Finding the Fourth Proportional to 186,979.30, 280,470.55 and 62,320.30

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Solution

The fourth proportional to 186,979.30, 280,470.55 and 62,320.30 is: 93,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,979.30 : 280,470.55 = 62,320.30 : x
  2. Step 2: Convert to fraction form
    186,979.30/280,470.55 = 62,320.30/x
  3. Step 3: Cross multiply
    186,979.30x = 280,470.55 × 62,320.30
  4. Step 4: Simplify right side
    186,979.30x = 17,479,008,817.17
  5. Step 5: Solve for x
    x = 17,479,008,817.17/186,979.30
  6. Step 6: Final answer
    x = 93,480.98

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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.