Home / 231,132.40-346,732.20-98,012.40

Finding the Fourth Proportional to 231,132.40, 346,732.20 and 98,012.40

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Solution

The fourth proportional to 231,132.40, 346,732.20 and 98,012.40 is: 147,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,132.40 : 346,732.20 = 98,012.40 : x
  2. Step 2: Convert to fraction form
    231,132.40/346,732.20 = 98,012.40/x
  3. Step 3: Cross multiply
    231,132.40x = 346,732.20 × 98,012.40
  4. Step 4: Simplify right side
    231,132.40x = 33,984,055,079.28
  5. Step 5: Solve for x
    x = 33,984,055,079.28/231,132.40
  6. Step 6: Final answer
    x = 147,032.85

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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.