Home / 114,712.50-158,234.61-72,197.22

Finding the Fourth Proportional to 114,712.50, 158,234.61 and 72,197.22

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Solution

The fourth proportional to 114,712.50, 158,234.61 and 72,197.22 is: 99,588.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,712.50 : 158,234.61 = 72,197.22 : x
  2. Step 2: Convert to fraction form
    114,712.50/158,234.61 = 72,197.22/x
  3. Step 3: Cross multiply
    114,712.50x = 158,234.61 × 72,197.22
  4. Step 4: Simplify right side
    114,712.50x = 11,424,098,949.78
  5. Step 5: Solve for x
    x = 11,424,098,949.78/114,712.50
  6. Step 6: Final answer
    x = 99,588.96

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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.