Home / 176,610.11-243,714.53-100,134.35

Finding the Fourth Proportional to 176,610.11, 243,714.53 and 100,134.35

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Solution

The fourth proportional to 176,610.11, 243,714.53 and 100,134.35 is: 138,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,610.11 : 243,714.53 = 100,134.35 : x
  2. Step 2: Convert to fraction form
    176,610.11/243,714.53 = 100,134.35/x
  3. Step 3: Cross multiply
    176,610.11x = 243,714.53 × 100,134.35
  4. Step 4: Simplify right side
    176,610.11x = 24,404,194,327.86
  5. Step 5: Solve for x
    x = 24,404,194,327.86/176,610.11
  6. Step 6: Final answer
    x = 138,181.19

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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.