Home / 175,854.60-242,789.40-135,491.76

Finding the Fourth Proportional to 175,854.60, 242,789.40 and 135,491.76

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Solution

The fourth proportional to 175,854.60, 242,789.40 and 135,491.76 is: 187,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,854.60 : 242,789.40 = 135,491.76 : x
  2. Step 2: Convert to fraction form
    175,854.60/242,789.40 = 135,491.76/x
  3. Step 3: Cross multiply
    175,854.60x = 242,789.40 × 135,491.76
  4. Step 4: Simplify right side
    175,854.60x = 32,895,963,115.34
  5. Step 5: Solve for x
    x = 32,895,963,115.34/175,854.60
  6. Step 6: Final answer
    x = 187,063.42

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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.