Home / 119,911.92-165,527.04-72,206.16

Finding the Fourth Proportional to 119,911.92, 165,527.04 and 72,206.16

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Solution

The fourth proportional to 119,911.92, 165,527.04 and 72,206.16 is: 99,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.92 : 165,527.04 = 72,206.16 : x
  2. Step 2: Convert to fraction form
    119,911.92/165,527.04 = 72,206.16/x
  3. Step 3: Cross multiply
    119,911.92x = 165,527.04 × 72,206.16
  4. Step 4: Simplify right side
    119,911.92x = 11,952,071,934.57
  5. Step 5: Solve for x
    x = 11,952,071,934.57/119,911.92
  6. Step 6: Final answer
    x = 99,673.76

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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.