Home / 95,731.28-143,648.76-92,240.72

Finding the Fourth Proportional to 95,731.28, 143,648.76 and 92,240.72

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Solution

The fourth proportional to 95,731.28, 143,648.76 and 92,240.72 is: 138,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,731.28 : 143,648.76 = 92,240.72 : x
  2. Step 2: Convert to fraction form
    95,731.28/143,648.76 = 92,240.72/x
  3. Step 3: Cross multiply
    95,731.28x = 143,648.76 × 92,240.72
  4. Step 4: Simplify right side
    95,731.28x = 13,250,265,049.51
  5. Step 5: Solve for x
    x = 13,250,265,049.51/95,731.28
  6. Step 6: Final answer
    x = 138,411.03

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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.