Home / 145,045.87-217,419.13-60,854.92

Finding the Fourth Proportional to 145,045.87, 217,419.13 and 60,854.92

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Solution

The fourth proportional to 145,045.87, 217,419.13 and 60,854.92 is: 91,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,045.87 : 217,419.13 = 60,854.92 : x
  2. Step 2: Convert to fraction form
    145,045.87/217,419.13 = 60,854.92/x
  3. Step 3: Cross multiply
    145,045.87x = 217,419.13 × 60,854.92
  4. Step 4: Simplify right side
    145,045.87x = 13,231,023,762.62
  5. Step 5: Solve for x
    x = 13,231,023,762.62/145,045.87
  6. Step 6: Final answer
    x = 91,219.58

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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.