Home / 154,940.30-232,432.05-66,193.10

Finding the Fourth Proportional to 154,940.30, 232,432.05 and 66,193.10

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Solution

The fourth proportional to 154,940.30, 232,432.05 and 66,193.10 is: 99,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,940.30 : 232,432.05 = 66,193.10 : x
  2. Step 2: Convert to fraction form
    154,940.30/232,432.05 = 66,193.10/x
  3. Step 3: Cross multiply
    154,940.30x = 232,432.05 × 66,193.10
  4. Step 4: Simplify right side
    154,940.30x = 15,385,397,928.86
  5. Step 5: Solve for x
    x = 15,385,397,928.86/154,940.30
  6. Step 6: Final answer
    x = 99,298.88

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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.