Home / 107,355.18-148,157.55-59,613.78

Finding the Fourth Proportional to 107,355.18, 148,157.55 and 59,613.78

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Solution

The fourth proportional to 107,355.18, 148,157.55 and 59,613.78 is: 82,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,355.18 : 148,157.55 = 59,613.78 : x
  2. Step 2: Convert to fraction form
    107,355.18/148,157.55 = 59,613.78/x
  3. Step 3: Cross multiply
    107,355.18x = 148,157.55 × 59,613.78
  4. Step 4: Simplify right side
    107,355.18x = 8,832,231,591.04
  5. Step 5: Solve for x
    x = 8,832,231,591.04/107,355.18
  6. Step 6: Final answer
    x = 82,271.13

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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.