Home / 154,521.04-231,885.44-54,680.80

Finding the Fourth Proportional to 154,521.04, 231,885.44 and 54,680.80

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Solution

The fourth proportional to 154,521.04, 231,885.44 and 54,680.80 is: 82,057.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,521.04 : 231,885.44 = 54,680.80 : x
  2. Step 2: Convert to fraction form
    154,521.04/231,885.44 = 54,680.80/x
  3. Step 3: Cross multiply
    154,521.04x = 231,885.44 × 54,680.80
  4. Step 4: Simplify right side
    154,521.04x = 12,679,681,367.55
  5. Step 5: Solve for x
    x = 12,679,681,367.55/154,521.04
  6. Step 6: Final answer
    x = 82,057.96

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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.