Home / 131,766.82-181,838.28-71,337.48

Finding the Fourth Proportional to 131,766.82, 181,838.28 and 71,337.48

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Solution

The fourth proportional to 131,766.82, 181,838.28 and 71,337.48 is: 98,445.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.82 : 181,838.28 = 71,337.48 : x
  2. Step 2: Convert to fraction form
    131,766.82/181,838.28 = 71,337.48/x
  3. Step 3: Cross multiply
    131,766.82x = 181,838.28 × 71,337.48
  4. Step 4: Simplify right side
    131,766.82x = 12,971,884,248.36
  5. Step 5: Solve for x
    x = 12,971,884,248.36/131,766.82
  6. Step 6: Final answer
    x = 98,445.76

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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.