Home / 168,044.58-252,140.98-89,139.44

Finding the Fourth Proportional to 168,044.58, 252,140.98 and 89,139.44

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Solution

The fourth proportional to 168,044.58, 252,140.98 and 89,139.44 is: 133,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,044.58 : 252,140.98 = 89,139.44 : x
  2. Step 2: Convert to fraction form
    168,044.58/252,140.98 = 89,139.44/x
  3. Step 3: Cross multiply
    168,044.58x = 252,140.98 × 89,139.44
  4. Step 4: Simplify right side
    168,044.58x = 22,475,705,758.25
  5. Step 5: Solve for x
    x = 22,475,705,758.25/168,044.58
  6. Step 6: Final answer
    x = 133,748.47

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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.