Home / 118,154.19-163,046.29-67,159.83

Finding the Fourth Proportional to 118,154.19, 163,046.29 and 67,159.83

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Solution

The fourth proportional to 118,154.19, 163,046.29 and 67,159.83 is: 92,676.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,154.19 : 163,046.29 = 67,159.83 : x
  2. Step 2: Convert to fraction form
    118,154.19/163,046.29 = 67,159.83/x
  3. Step 3: Cross multiply
    118,154.19x = 163,046.29 × 67,159.83
  4. Step 4: Simplify right side
    118,154.19x = 10,950,161,118.53
  5. Step 5: Solve for x
    x = 10,950,161,118.53/118,154.19
  6. Step 6: Final answer
    x = 92,676.88

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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.