Home / 154,434.18-231,200.55-95,091.78

Finding the Fourth Proportional to 154,434.18, 231,200.55 and 95,091.78

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Solution

The fourth proportional to 154,434.18, 231,200.55 and 95,091.78 is: 142,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.18 : 231,200.55 = 95,091.78 : x
  2. Step 2: Convert to fraction form
    154,434.18/231,200.55 = 95,091.78/x
  3. Step 3: Cross multiply
    154,434.18x = 231,200.55 × 95,091.78
  4. Step 4: Simplify right side
    154,434.18x = 21,985,271,836.48
  5. Step 5: Solve for x
    x = 21,985,271,836.48/154,434.18
  6. Step 6: Final answer
    x = 142,360.14

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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.