Home / 129,205.90-193,750.17-46,102.06

Finding the Fourth Proportional to 129,205.90, 193,750.17 and 46,102.06

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Solution

The fourth proportional to 129,205.90, 193,750.17 and 46,102.06 is: 69,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,205.90 : 193,750.17 = 46,102.06 : x
  2. Step 2: Convert to fraction form
    129,205.90/193,750.17 = 46,102.06/x
  3. Step 3: Cross multiply
    129,205.90x = 193,750.17 × 46,102.06
  4. Step 4: Simplify right side
    129,205.90x = 8,932,281,962.35
  5. Step 5: Solve for x
    x = 8,932,281,962.35/129,205.90
  6. Step 6: Final answer
    x = 69,132.15

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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.