Home / 136,042.40-204,063.60-88,803.20

Finding the Fourth Proportional to 136,042.40, 204,063.60 and 88,803.20

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Solution

The fourth proportional to 136,042.40, 204,063.60 and 88,803.20 is: 133,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,042.40 : 204,063.60 = 88,803.20 : x
  2. Step 2: Convert to fraction form
    136,042.40/204,063.60 = 88,803.20/x
  3. Step 3: Cross multiply
    136,042.40x = 204,063.60 × 88,803.20
  4. Step 4: Simplify right side
    136,042.40x = 18,121,500,683.52
  5. Step 5: Solve for x
    x = 18,121,500,683.52/136,042.40
  6. Step 6: Final answer
    x = 133,204.80

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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.