Home / 109,523.28-151,141.92-59,222.40

Finding the Fourth Proportional to 109,523.28, 151,141.92 and 59,222.40

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Solution

The fourth proportional to 109,523.28, 151,141.92 and 59,222.40 is: 81,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.28 : 151,141.92 = 59,222.40 : x
  2. Step 2: Convert to fraction form
    109,523.28/151,141.92 = 59,222.40/x
  3. Step 3: Cross multiply
    109,523.28x = 151,141.92 × 59,222.40
  4. Step 4: Simplify right side
    109,523.28x = 8,950,987,243.01
  5. Step 5: Solve for x
    x = 8,950,987,243.01/109,523.28
  6. Step 6: Final answer
    x = 81,726.80

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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.