Home / 165,154.92-247,695.06-76,359.92

Finding the Fourth Proportional to 165,154.92, 247,695.06 and 76,359.92

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Solution

The fourth proportional to 165,154.92, 247,695.06 and 76,359.92 is: 114,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,154.92 : 247,695.06 = 76,359.92 : x
  2. Step 2: Convert to fraction form
    165,154.92/247,695.06 = 76,359.92/x
  3. Step 3: Cross multiply
    165,154.92x = 247,695.06 × 76,359.92
  4. Step 4: Simplify right side
    165,154.92x = 18,913,974,966.00
  5. Step 5: Solve for x
    x = 18,913,974,966.00/165,154.92
  6. Step 6: Final answer
    x = 114,522.62

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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.