Home / 141,175.18-194,822.13-77,517.10

Finding the Fourth Proportional to 141,175.18, 194,822.13 and 77,517.10

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Solution

The fourth proportional to 141,175.18, 194,822.13 and 77,517.10 is: 106,973.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,175.18 : 194,822.13 = 77,517.10 : x
  2. Step 2: Convert to fraction form
    141,175.18/194,822.13 = 77,517.10/x
  3. Step 3: Cross multiply
    141,175.18x = 194,822.13 × 77,517.10
  4. Step 4: Simplify right side
    141,175.18x = 15,102,046,533.42
  5. Step 5: Solve for x
    x = 15,102,046,533.42/141,175.18
  6. Step 6: Final answer
    x = 106,973.81

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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.