Home / 175,764.72-242,572.68-100,324.56

Finding the Fourth Proportional to 175,764.72, 242,572.68 and 100,324.56

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Solution

The fourth proportional to 175,764.72, 242,572.68 and 100,324.56 is: 138,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,764.72 : 242,572.68 = 100,324.56 : x
  2. Step 2: Convert to fraction form
    175,764.72/242,572.68 = 100,324.56/x
  3. Step 3: Cross multiply
    175,764.72x = 242,572.68 × 100,324.56
  4. Step 4: Simplify right side
    175,764.72x = 24,335,997,389.02
  5. Step 5: Solve for x
    x = 24,335,997,389.02/175,764.72
  6. Step 6: Final answer
    x = 138,457.81

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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.