Home / 168,256.34-252,135.18-68,294.90

Finding the Fourth Proportional to 168,256.34, 252,135.18 and 68,294.90

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Solution

The fourth proportional to 168,256.34, 252,135.18 and 68,294.90 is: 102,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,256.34 : 252,135.18 = 68,294.90 : x
  2. Step 2: Convert to fraction form
    168,256.34/252,135.18 = 68,294.90/x
  3. Step 3: Cross multiply
    168,256.34x = 252,135.18 × 68,294.90
  4. Step 4: Simplify right side
    168,256.34x = 17,219,546,904.58
  5. Step 5: Solve for x
    x = 17,219,546,904.58/168,256.34
  6. Step 6: Final answer
    x = 102,341.15

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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.