Home / 113,122.95-169,426.08-54,000.14

Finding the Fourth Proportional to 113,122.95, 169,426.08 and 54,000.14

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Solution

The fourth proportional to 113,122.95, 169,426.08 and 54,000.14 is: 80,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,122.95 : 169,426.08 = 54,000.14 : x
  2. Step 2: Convert to fraction form
    113,122.95/169,426.08 = 54,000.14/x
  3. Step 3: Cross multiply
    113,122.95x = 169,426.08 × 54,000.14
  4. Step 4: Simplify right side
    113,122.95x = 9,149,031,192.52
  5. Step 5: Solve for x
    x = 9,149,031,192.52/113,122.95
  6. Step 6: Final answer
    x = 80,876.88

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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.