Home / 107,399.92-148,265.76-67,136.08

Finding the Fourth Proportional to 107,399.92, 148,265.76 and 67,136.08

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Solution

The fourth proportional to 107,399.92, 148,265.76 and 67,136.08 is: 92,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,399.92 : 148,265.76 = 67,136.08 : x
  2. Step 2: Convert to fraction form
    107,399.92/148,265.76 = 67,136.08/x
  3. Step 3: Cross multiply
    107,399.92x = 148,265.76 × 67,136.08
  4. Step 4: Simplify right side
    107,399.92x = 9,953,981,924.62
  5. Step 5: Solve for x
    x = 9,953,981,924.62/107,399.92
  6. Step 6: Final answer
    x = 92,681.46

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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.