Home / 175,942.58-243,002.54-115,781.80

Finding the Fourth Proportional to 175,942.58, 243,002.54 and 115,781.80

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Solution

The fourth proportional to 175,942.58, 243,002.54 and 115,781.80 is: 159,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,942.58 : 243,002.54 = 115,781.80 : x
  2. Step 2: Convert to fraction form
    175,942.58/243,002.54 = 115,781.80/x
  3. Step 3: Cross multiply
    175,942.58x = 243,002.54 × 115,781.80
  4. Step 4: Simplify right side
    175,942.58x = 28,135,269,691.85
  5. Step 5: Solve for x
    x = 28,135,269,691.85/175,942.58
  6. Step 6: Final answer
    x = 159,911.66

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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.