Home / 198,260.47-297,264.34-130,714.57

Finding the Fourth Proportional to 198,260.47, 297,264.34 and 130,714.57

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Solution

The fourth proportional to 198,260.47, 297,264.34 and 130,714.57 is: 195,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,260.47 : 297,264.34 = 130,714.57 : x
  2. Step 2: Convert to fraction form
    198,260.47/297,264.34 = 130,714.57/x
  3. Step 3: Cross multiply
    198,260.47x = 297,264.34 × 130,714.57
  4. Step 4: Simplify right side
    198,260.47x = 38,856,780,379.43
  5. Step 5: Solve for x
    x = 38,856,780,379.43/198,260.47
  6. Step 6: Final answer
    x = 195,988.54

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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.