Home / 165,215.76-247,841.60-52,869.56

Finding the Fourth Proportional to 165,215.76, 247,841.60 and 52,869.56

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Solution

The fourth proportional to 165,215.76, 247,841.60 and 52,869.56 is: 79,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,215.76 : 247,841.60 = 52,869.56 : x
  2. Step 2: Convert to fraction form
    165,215.76/247,841.60 = 52,869.56/x
  3. Step 3: Cross multiply
    165,215.76x = 247,841.60 × 52,869.56
  4. Step 4: Simplify right side
    165,215.76x = 13,103,276,341.70
  5. Step 5: Solve for x
    x = 13,103,276,341.70/165,215.76
  6. Step 6: Final answer
    x = 79,310.09

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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.