Home / 132,860.76-183,244.17-85,118.55

Finding the Fourth Proportional to 132,860.76, 183,244.17 and 85,118.55

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Solution

The fourth proportional to 132,860.76, 183,244.17 and 85,118.55 is: 117,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860.76 : 183,244.17 = 85,118.55 : x
  2. Step 2: Convert to fraction form
    132,860.76/183,244.17 = 85,118.55/x
  3. Step 3: Cross multiply
    132,860.76x = 183,244.17 × 85,118.55
  4. Step 4: Simplify right side
    132,860.76x = 15,597,478,046.35
  5. Step 5: Solve for x
    x = 15,597,478,046.35/132,860.76
  6. Step 6: Final answer
    x = 117,397.18

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1.5x scale

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.