Home / 176,608.35-243,712.11-100,132.59

Finding the Fourth Proportional to 176,608.35, 243,712.11 and 100,132.59

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Solution

The fourth proportional to 176,608.35, 243,712.11 and 100,132.59 is: 138,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,608.35 : 243,712.11 = 100,132.59 : x
  2. Step 2: Convert to fraction form
    176,608.35/243,712.11 = 100,132.59/x
  3. Step 3: Cross multiply
    176,608.35x = 243,712.11 × 100,132.59
  4. Step 4: Simplify right side
    176,608.35x = 24,403,525,147.61
  5. Step 5: Solve for x
    x = 24,403,525,147.61/176,608.35
  6. Step 6: Final answer
    x = 138,178.77

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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.