Home / 129,040.32-193,342.08-62,512.32

Finding the Fourth Proportional to 129,040.32, 193,342.08 and 62,512.32

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Solution

The fourth proportional to 129,040.32, 193,342.08 and 62,512.32 is: 93,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,040.32 : 193,342.08 = 62,512.32 : x
  2. Step 2: Convert to fraction form
    129,040.32/193,342.08 = 62,512.32/x
  3. Step 3: Cross multiply
    129,040.32x = 193,342.08 × 62,512.32
  4. Step 4: Simplify right side
    129,040.32x = 12,086,261,974.43
  5. Step 5: Solve for x
    x = 12,086,261,974.43/129,040.32
  6. Step 6: Final answer
    x = 93,662.68

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1.5x scale

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.