Home / 129,695.50-194,603.40-54,833.13

Finding the Fourth Proportional to 129,695.50, 194,603.40 and 54,833.13

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Solution

The fourth proportional to 129,695.50, 194,603.40 and 54,833.13 is: 82,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,695.50 : 194,603.40 = 54,833.13 : x
  2. Step 2: Convert to fraction form
    129,695.50/194,603.40 = 54,833.13/x
  3. Step 3: Cross multiply
    129,695.50x = 194,603.40 × 54,833.13
  4. Step 4: Simplify right side
    129,695.50x = 10,670,713,530.64
  5. Step 5: Solve for x
    x = 10,670,713,530.64/129,695.50
  6. Step 6: Final answer
    x = 82,275.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.