Home / 154,525.68-231,807.96-54,662.40

Finding the Fourth Proportional to 154,525.68, 231,807.96 and 54,662.40

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Solution

The fourth proportional to 154,525.68, 231,807.96 and 54,662.40 is: 82,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525.68 : 231,807.96 = 54,662.40 : x
  2. Step 2: Convert to fraction form
    154,525.68/231,807.96 = 54,662.40/x
  3. Step 3: Cross multiply
    154,525.68x = 231,807.96 × 54,662.40
  4. Step 4: Simplify right side
    154,525.68x = 12,671,179,432.70
  5. Step 5: Solve for x
    x = 12,671,179,432.70/154,525.68
  6. Step 6: Final answer
    x = 82,000.48

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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.