Home / 154,434.52-231,503.82-49,185.28

Finding the Fourth Proportional to 154,434.52, 231,503.82 and 49,185.28

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Solution

The fourth proportional to 154,434.52, 231,503.82 and 49,185.28 is: 73,730.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,434.52 : 231,503.82 = 49,185.28 : x
  2. Step 2: Convert to fraction form
    154,434.52/231,503.82 = 49,185.28/x
  3. Step 3: Cross multiply
    154,434.52x = 231,503.82 × 49,185.28
  4. Step 4: Simplify right side
    154,434.52x = 11,386,580,207.77
  5. Step 5: Solve for x
    x = 11,386,580,207.77/154,434.52
  6. Step 6: Final answer
    x = 73,730.80

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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.