Home / 109,306.92-150,585.07-104,262.13

Finding the Fourth Proportional to 109,306.92, 150,585.07 and 104,262.13

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Solution

The fourth proportional to 109,306.92, 150,585.07 and 104,262.13 is: 143,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.92 : 150,585.07 = 104,262.13 : x
  2. Step 2: Convert to fraction form
    109,306.92/150,585.07 = 104,262.13/x
  3. Step 3: Cross multiply
    109,306.92x = 150,585.07 × 104,262.13
  4. Step 4: Simplify right side
    109,306.92x = 15,700,320,144.40
  5. Step 5: Solve for x
    x = 15,700,320,144.40/109,306.92
  6. Step 6: Final answer
    x = 143,635.19

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1.5x scale

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.