Home / 107,933.92-161,610.30-70,400.92

Finding the Fourth Proportional to 107,933.92, 161,610.30 and 70,400.92

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Solution

The fourth proportional to 107,933.92, 161,610.30 and 70,400.92 is: 105,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,933.92 : 161,610.30 = 70,400.92 : x
  2. Step 2: Convert to fraction form
    107,933.92/161,610.30 = 70,400.92/x
  3. Step 3: Cross multiply
    107,933.92x = 161,610.30 × 70,400.92
  4. Step 4: Simplify right side
    107,933.92x = 11,377,513,801.48
  5. Step 5: Solve for x
    x = 11,377,513,801.48/107,933.92
  6. Step 6: Final answer
    x = 105,411.85

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1.5x scale

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.