Home / 159,727.34-220,423.95-91,757.48

Finding the Fourth Proportional to 159,727.34, 220,423.95 and 91,757.48

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Solution

The fourth proportional to 159,727.34, 220,423.95 and 91,757.48 is: 126,625.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,727.34 : 220,423.95 = 91,757.48 : x
  2. Step 2: Convert to fraction form
    159,727.34/220,423.95 = 91,757.48/x
  3. Step 3: Cross multiply
    159,727.34x = 220,423.95 × 91,757.48
  4. Step 4: Simplify right side
    159,727.34x = 20,225,545,081.53
  5. Step 5: Solve for x
    x = 20,225,545,081.53/159,727.34
  6. Step 6: Final answer
    x = 126,625.44

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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.