Home / 192,595.85-288,657.15-108,178.56

Finding the Fourth Proportional to 192,595.85, 288,657.15 and 108,178.56

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Solution

The fourth proportional to 192,595.85, 288,657.15 and 108,178.56 is: 162,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,595.85 : 288,657.15 = 108,178.56 : x
  2. Step 2: Convert to fraction form
    192,595.85/288,657.15 = 108,178.56/x
  3. Step 3: Cross multiply
    192,595.85x = 288,657.15 × 108,178.56
  4. Step 4: Simplify right side
    192,595.85x = 31,226,514,820.70
  5. Step 5: Solve for x
    x = 31,226,514,820.70/192,595.85
  6. Step 6: Final answer
    x = 162,134.94

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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.