Home / 162,505.03-243,788.06-73,764.78

Finding the Fourth Proportional to 162,505.03, 243,788.06 and 73,764.78

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Solution

The fourth proportional to 162,505.03, 243,788.06 and 73,764.78 is: 110,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,505.03 : 243,788.06 = 73,764.78 : x
  2. Step 2: Convert to fraction form
    162,505.03/243,788.06 = 73,764.78/x
  3. Step 3: Cross multiply
    162,505.03x = 243,788.06 × 73,764.78
  4. Step 4: Simplify right side
    162,505.03x = 17,982,972,612.53
  5. Step 5: Solve for x
    x = 17,982,972,612.53/162,505.03
  6. Step 6: Final answer
    x = 110,661.02

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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.