Home / 198,179.43-273,714.74-130,498.93

Finding the Fourth Proportional to 198,179.43, 273,714.74 and 130,498.93

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Solution

The fourth proportional to 198,179.43, 273,714.74 and 130,498.93 is: 180,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,179.43 : 273,714.74 = 130,498.93 : x
  2. Step 2: Convert to fraction form
    198,179.43/273,714.74 = 130,498.93/x
  3. Step 3: Cross multiply
    198,179.43x = 273,714.74 × 130,498.93
  4. Step 4: Simplify right side
    198,179.43x = 35,719,480,695.23
  5. Step 5: Solve for x
    x = 35,719,480,695.23/198,179.43
  6. Step 6: Final answer
    x = 180,238.08

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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.