Home / 154,454.49-231,700.81-54,594.09

Finding the Fourth Proportional to 154,454.49, 231,700.81 and 54,594.09

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Solution

The fourth proportional to 154,454.49, 231,700.81 and 54,594.09 is: 81,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,454.49 : 231,700.81 = 54,594.09 : x
  2. Step 2: Convert to fraction form
    154,454.49/231,700.81 = 54,594.09/x
  3. Step 3: Cross multiply
    154,454.49x = 231,700.81 × 54,594.09
  4. Step 4: Simplify right side
    154,454.49x = 12,649,493,715.71
  5. Step 5: Solve for x
    x = 12,649,493,715.71/154,454.49
  6. Step 6: Final answer
    x = 81,897.87

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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.