Home / 114,962.20-158,616.78-67,227.28

Finding the Fourth Proportional to 114,962.20, 158,616.78 and 67,227.28

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Solution

The fourth proportional to 114,962.20, 158,616.78 and 67,227.28 is: 92,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,962.20 : 158,616.78 = 67,227.28 : x
  2. Step 2: Convert to fraction form
    114,962.20/158,616.78 = 67,227.28/x
  3. Step 3: Cross multiply
    114,962.20x = 158,616.78 × 67,227.28
  4. Step 4: Simplify right side
    114,962.20x = 10,663,374,681.76
  5. Step 5: Solve for x
    x = 10,663,374,681.76/114,962.20
  6. Step 6: Final answer
    x = 92,755.49

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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.