Home / 154,344.18-231,358.40-104,429.56

Finding the Fourth Proportional to 154,344.18, 231,358.40 and 104,429.56

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Solution

The fourth proportional to 154,344.18, 231,358.40 and 104,429.56 is: 156,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,344.18 : 231,358.40 = 104,429.56 : x
  2. Step 2: Convert to fraction form
    154,344.18/231,358.40 = 104,429.56/x
  3. Step 3: Cross multiply
    154,344.18x = 231,358.40 × 104,429.56
  4. Step 4: Simplify right side
    154,344.18x = 24,160,655,914.30
  5. Step 5: Solve for x
    x = 24,160,655,914.30/154,344.18
  6. Step 6: Final answer
    x = 156,537.52

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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.