Home / 109,456.13-151,049.46-59,155.13

Finding the Fourth Proportional to 109,456.13, 151,049.46 and 59,155.13

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Solution

The fourth proportional to 109,456.13, 151,049.46 and 59,155.13 is: 81,634.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,456.13 : 151,049.46 = 59,155.13 : x
  2. Step 2: Convert to fraction form
    109,456.13/151,049.46 = 59,155.13/x
  3. Step 3: Cross multiply
    109,456.13x = 151,049.46 × 59,155.13
  4. Step 4: Simplify right side
    109,456.13x = 8,935,349,687.48
  5. Step 5: Solve for x
    x = 8,935,349,687.48/109,456.13
  6. Step 6: Final answer
    x = 81,634.08

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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.