Home / 176,022.78-242,924.31-100,569.66

Finding the Fourth Proportional to 176,022.78, 242,924.31 and 100,569.66

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Solution

The fourth proportional to 176,022.78, 242,924.31 and 100,569.66 is: 138,793.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,022.78 : 242,924.31 = 100,569.66 : x
  2. Step 2: Convert to fraction form
    176,022.78/242,924.31 = 100,569.66/x
  3. Step 3: Cross multiply
    176,022.78x = 242,924.31 × 100,569.66
  4. Step 4: Simplify right side
    176,022.78x = 24,430,815,262.43
  5. Step 5: Solve for x
    x = 24,430,815,262.43/176,022.78
  6. Step 6: Final answer
    x = 138,793.49

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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.