Home / 130,093.08-179,531.10-71,951.64

Finding the Fourth Proportional to 130,093.08, 179,531.10 and 71,951.64

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Solution

The fourth proportional to 130,093.08, 179,531.10 and 71,951.64 is: 99,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,093.08 : 179,531.10 = 71,951.64 : x
  2. Step 2: Convert to fraction form
    130,093.08/179,531.10 = 71,951.64/x
  3. Step 3: Cross multiply
    130,093.08x = 179,531.10 × 71,951.64
  4. Step 4: Simplify right side
    130,093.08x = 12,917,557,076.00
  5. Step 5: Solve for x
    x = 12,917,557,076.00/130,093.08
  6. Step 6: Final answer
    x = 99,294.73

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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.