Home / 154,540.40-231,810.59-84,381.44

Finding the Fourth Proportional to 154,540.40, 231,810.59 and 84,381.44

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Solution

The fourth proportional to 154,540.40, 231,810.59 and 84,381.44 is: 126,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,540.40 : 231,810.59 = 84,381.44 : x
  2. Step 2: Convert to fraction form
    154,540.40/231,810.59 = 84,381.44/x
  3. Step 3: Cross multiply
    154,540.40x = 231,810.59 × 84,381.44
  4. Step 4: Simplify right side
    154,540.40x = 19,560,510,443.35
  5. Step 5: Solve for x
    x = 19,560,510,443.35/154,540.40
  6. Step 6: Final answer
    x = 126,572.15

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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.