Home / 154,269.60-231,618.54-79,443.24

Finding the Fourth Proportional to 154,269.60, 231,618.54 and 79,443.24

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Solution

The fourth proportional to 154,269.60, 231,618.54 and 79,443.24 is: 119,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,269.60 : 231,618.54 = 79,443.24 : x
  2. Step 2: Convert to fraction form
    154,269.60/231,618.54 = 79,443.24/x
  3. Step 3: Cross multiply
    154,269.60x = 231,618.54 × 79,443.24
  4. Step 4: Simplify right side
    154,269.60x = 18,400,527,261.67
  5. Step 5: Solve for x
    x = 18,400,527,261.67/154,269.60
  6. Step 6: Final answer
    x = 119,275.13

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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.