Home / 80,132.04-119,675.28-68,158.20

Finding the Fourth Proportional to 80,132.04, 119,675.28 and 68,158.20

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Solution

The fourth proportional to 80,132.04, 119,675.28 and 68,158.20 is: 101,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,132.04 : 119,675.28 = 68,158.20 : x
  2. Step 2: Convert to fraction form
    80,132.04/119,675.28 = 68,158.20/x
  3. Step 3: Cross multiply
    80,132.04x = 119,675.28 × 68,158.20
  4. Step 4: Simplify right side
    80,132.04x = 8,156,851,669.30
  5. Step 5: Solve for x
    x = 8,156,851,669.30/80,132.04
  6. Step 6: Final answer
    x = 101,792.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.