Home / 136,173.46-204,260.28-42,686.50

Finding the Fourth Proportional to 136,173.46, 204,260.28 and 42,686.50

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Solution

The fourth proportional to 136,173.46, 204,260.28 and 42,686.50 is: 64,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,173.46 : 204,260.28 = 42,686.50 : x
  2. Step 2: Convert to fraction form
    136,173.46/204,260.28 = 42,686.50/x
  3. Step 3: Cross multiply
    136,173.46x = 204,260.28 × 42,686.50
  4. Step 4: Simplify right side
    136,173.46x = 8,719,156,442.22
  5. Step 5: Solve for x
    x = 8,719,156,442.22/136,173.46
  6. Step 6: Final answer
    x = 64,029.78

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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.