Home / 136,155.40-204,233.10-82,702.60

Finding the Fourth Proportional to 136,155.40, 204,233.10 and 82,702.60

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Solution

The fourth proportional to 136,155.40, 204,233.10 and 82,702.60 is: 124,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,155.40 : 204,233.10 = 82,702.60 : x
  2. Step 2: Convert to fraction form
    136,155.40/204,233.10 = 82,702.60/x
  3. Step 3: Cross multiply
    136,155.40x = 204,233.10 × 82,702.60
  4. Step 4: Simplify right side
    136,155.40x = 16,890,608,376.06
  5. Step 5: Solve for x
    x = 16,890,608,376.06/136,155.40
  6. Step 6: Final answer
    x = 124,053.90

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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.