Home / 188,108.42-282,190.16-88,278.69

Finding the Fourth Proportional to 188,108.42, 282,190.16 and 88,278.69

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Solution

The fourth proportional to 188,108.42, 282,190.16 and 88,278.69 is: 132,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,108.42 : 282,190.16 = 88,278.69 : x
  2. Step 2: Convert to fraction form
    188,108.42/282,190.16 = 88,278.69/x
  3. Step 3: Cross multiply
    188,108.42x = 282,190.16 × 88,278.69
  4. Step 4: Simplify right side
    188,108.42x = 24,911,377,214.30
  5. Step 5: Solve for x
    x = 24,911,377,214.30/188,108.42
  6. Step 6: Final answer
    x = 132,430.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.