Home / 154,328.60-231,509.51-49,122.97

Finding the Fourth Proportional to 154,328.60, 231,509.51 and 49,122.97

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Solution

The fourth proportional to 154,328.60, 231,509.51 and 49,122.97 is: 73,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,328.60 : 231,509.51 = 49,122.97 : x
  2. Step 2: Convert to fraction form
    154,328.60/231,509.51 = 49,122.97/x
  3. Step 3: Cross multiply
    154,328.60x = 231,509.51 × 49,122.97
  4. Step 4: Simplify right side
    154,328.60x = 11,372,434,714.44
  5. Step 5: Solve for x
    x = 11,372,434,714.44/154,328.60
  6. Step 6: Final answer
    x = 73,689.74

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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.