Home / 176,132.25-243,062.51-100,682.37

Finding the Fourth Proportional to 176,132.25, 243,062.51 and 100,682.37

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Solution

The fourth proportional to 176,132.25, 243,062.51 and 100,682.37 is: 138,941.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,132.25 : 243,062.51 = 100,682.37 : x
  2. Step 2: Convert to fraction form
    176,132.25/243,062.51 = 100,682.37/x
  3. Step 3: Cross multiply
    176,132.25x = 243,062.51 × 100,682.37
  4. Step 4: Simplify right side
    176,132.25x = 24,472,109,061.54
  5. Step 5: Solve for x
    x = 24,472,109,061.54/176,132.25
  6. Step 6: Final answer
    x = 138,941.67

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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.