Home / 195,020.34-292,586.26-115,131.20

Finding the Fourth Proportional to 195,020.34, 292,586.26 and 115,131.20

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Solution

The fourth proportional to 195,020.34, 292,586.26 and 115,131.20 is: 172,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,020.34 : 292,586.26 = 115,131.20 : x
  2. Step 2: Convert to fraction form
    195,020.34/292,586.26 = 115,131.20/x
  3. Step 3: Cross multiply
    195,020.34x = 292,586.26 × 115,131.20
  4. Step 4: Simplify right side
    195,020.34x = 33,685,806,262.47
  5. Step 5: Solve for x
    x = 33,685,806,262.47/195,020.34
  6. Step 6: Final answer
    x = 172,729.70

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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.