Home / 107,660.24-148,417.14-75,730.04

Finding the Fourth Proportional to 107,660.24, 148,417.14 and 75,730.04

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Solution

The fourth proportional to 107,660.24, 148,417.14 and 75,730.04 is: 104,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660.24 : 148,417.14 = 75,730.04 : x
  2. Step 2: Convert to fraction form
    107,660.24/148,417.14 = 75,730.04/x
  3. Step 3: Cross multiply
    107,660.24x = 148,417.14 × 75,730.04
  4. Step 4: Simplify right side
    107,660.24x = 11,239,635,948.89
  5. Step 5: Solve for x
    x = 11,239,635,948.89/107,660.24
  6. Step 6: Final answer
    x = 104,399.14

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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.