Home / 175,974.72-242,781.46-115,578.08

Finding the Fourth Proportional to 175,974.72, 242,781.46 and 115,578.08

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Solution

The fourth proportional to 175,974.72, 242,781.46 and 115,578.08 is: 159,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,974.72 : 242,781.46 = 115,578.08 : x
  2. Step 2: Convert to fraction form
    175,974.72/242,781.46 = 115,578.08/x
  3. Step 3: Cross multiply
    175,974.72x = 242,781.46 × 115,578.08
  4. Step 4: Simplify right side
    175,974.72x = 28,060,215,006.40
  5. Step 5: Solve for x
    x = 28,060,215,006.40/175,974.72
  6. Step 6: Final answer
    x = 159,455.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.