Home / 155,696.12-214,876.50-95,306.66

Finding the Fourth Proportional to 155,696.12, 214,876.50 and 95,306.66

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Solution

The fourth proportional to 155,696.12, 214,876.50 and 95,306.66 is: 131,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,696.12 : 214,876.50 = 95,306.66 : x
  2. Step 2: Convert to fraction form
    155,696.12/214,876.50 = 95,306.66/x
  3. Step 3: Cross multiply
    155,696.12x = 214,876.50 × 95,306.66
  4. Step 4: Simplify right side
    155,696.12x = 20,479,160,453.11
  5. Step 5: Solve for x
    x = 20,479,160,453.11/155,696.12
  6. Step 6: Final answer
    x = 131,532.89

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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.