Home / 176,608.37-243,712.13-100,132.61

Finding the Fourth Proportional to 176,608.37, 243,712.13 and 100,132.61

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Solution

The fourth proportional to 176,608.37, 243,712.13 and 100,132.61 is: 138,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,608.37 : 243,712.13 = 100,132.61 : x
  2. Step 2: Convert to fraction form
    176,608.37/243,712.13 = 100,132.61/x
  3. Step 3: Cross multiply
    176,608.37x = 243,712.13 × 100,132.61
  4. Step 4: Simplify right side
    176,608.37x = 24,403,530,697.33
  5. Step 5: Solve for x
    x = 24,403,530,697.33/176,608.37
  6. Step 6: Final answer
    x = 138,178.79

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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.