Home / 137,819.21-206,452.01-62,836.20

Finding the Fourth Proportional to 137,819.21, 206,452.01 and 62,836.20

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Solution

The fourth proportional to 137,819.21, 206,452.01 and 62,836.20 is: 94,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,819.21 : 206,452.01 = 62,836.20 : x
  2. Step 2: Convert to fraction form
    137,819.21/206,452.01 = 62,836.20/x
  3. Step 3: Cross multiply
    137,819.21x = 206,452.01 × 62,836.20
  4. Step 4: Simplify right side
    137,819.21x = 12,972,660,528.50
  5. Step 5: Solve for x
    x = 12,972,660,528.50/137,819.21
  6. Step 6: Final answer
    x = 94,128.10

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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.