Home / 93,434.20-140,151.30-86,217.10

Finding the Fourth Proportional to 93,434.20, 140,151.30 and 86,217.10

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Solution

The fourth proportional to 93,434.20, 140,151.30 and 86,217.10 is: 129,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,434.20 : 140,151.30 = 86,217.10 : x
  2. Step 2: Convert to fraction form
    93,434.20/140,151.30 = 86,217.10/x
  3. Step 3: Cross multiply
    93,434.20x = 140,151.30 × 86,217.10
  4. Step 4: Simplify right side
    93,434.20x = 12,083,438,647.23
  5. Step 5: Solve for x
    x = 12,083,438,647.23/93,434.20
  6. Step 6: Final answer
    x = 129,325.65

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Similar ratio
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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.