Home / 176,608.19-243,711.87-100,132.43

Finding the Fourth Proportional to 176,608.19, 243,711.87 and 100,132.43

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Solution

The fourth proportional to 176,608.19, 243,711.87 and 100,132.43 is: 138,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,608.19 : 243,711.87 = 100,132.43 : x
  2. Step 2: Convert to fraction form
    176,608.19/243,711.87 = 100,132.43/x
  3. Step 3: Cross multiply
    176,608.19x = 243,711.87 × 100,132.43
  4. Step 4: Simplify right side
    176,608.19x = 24,403,460,544.38
  5. Step 5: Solve for x
    x = 24,403,460,544.38/176,608.19
  6. Step 6: Final answer
    x = 138,178.54

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1.5x scale

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.