Home / 167,702.72-251,001.28-91,685.12

Finding the Fourth Proportional to 167,702.72, 251,001.28 and 91,685.12

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Solution

The fourth proportional to 167,702.72, 251,001.28 and 91,685.12 is: 137,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,702.72 : 251,001.28 = 91,685.12 : x
  2. Step 2: Convert to fraction form
    167,702.72/251,001.28 = 91,685.12/x
  3. Step 3: Cross multiply
    167,702.72x = 251,001.28 × 91,685.12
  4. Step 4: Simplify right side
    167,702.72x = 23,013,082,476.95
  5. Step 5: Solve for x
    x = 23,013,082,476.95/167,702.72
  6. Step 6: Final answer
    x = 137,225.46

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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.