Home / 188,042.50-259,508.17-120,004.93

Finding the Fourth Proportional to 188,042.50, 259,508.17 and 120,004.93

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Solution

The fourth proportional to 188,042.50, 259,508.17 and 120,004.93 is: 165,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,042.50 : 259,508.17 = 120,004.93 : x
  2. Step 2: Convert to fraction form
    188,042.50/259,508.17 = 120,004.93/x
  3. Step 3: Cross multiply
    188,042.50x = 259,508.17 × 120,004.93
  4. Step 4: Simplify right side
    188,042.50x = 31,142,259,775.28
  5. Step 5: Solve for x
    x = 31,142,259,775.28/188,042.50
  6. Step 6: Final answer
    x = 165,612.88

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1.5x scale

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.