Home / 154,561.20-231,875.40-88,033.20

Finding the Fourth Proportional to 154,561.20, 231,875.40 and 88,033.20

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Solution

The fourth proportional to 154,561.20, 231,875.40 and 88,033.20 is: 132,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,561.20 : 231,875.40 = 88,033.20 : x
  2. Step 2: Convert to fraction form
    154,561.20/231,875.40 = 88,033.20/x
  3. Step 3: Cross multiply
    154,561.20x = 231,875.40 × 88,033.20
  4. Step 4: Simplify right side
    154,561.20x = 20,412,733,463.28
  5. Step 5: Solve for x
    x = 20,412,733,463.28/154,561.20
  6. Step 6: Final answer
    x = 132,068.94

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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.