Home / 154,470.22-231,308.16-107,017.72

Finding the Fourth Proportional to 154,470.22, 231,308.16 and 107,017.72

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Solution

The fourth proportional to 154,470.22, 231,308.16 and 107,017.72 is: 160,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,470.22 : 231,308.16 = 107,017.72 : x
  2. Step 2: Convert to fraction form
    154,470.22/231,308.16 = 107,017.72/x
  3. Step 3: Cross multiply
    154,470.22x = 231,308.16 × 107,017.72
  4. Step 4: Simplify right side
    154,470.22x = 24,754,071,900.60
  5. Step 5: Solve for x
    x = 24,754,071,900.60/154,470.22
  6. Step 6: Final answer
    x = 160,251.42

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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.