Home / 131,042.70-196,272.45-107,714.70

Finding the Fourth Proportional to 131,042.70, 196,272.45 and 107,714.70

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Solution

The fourth proportional to 131,042.70, 196,272.45 and 107,714.70 is: 161,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,042.70 : 196,272.45 = 107,714.70 : x
  2. Step 2: Convert to fraction form
    131,042.70/196,272.45 = 107,714.70/x
  3. Step 3: Cross multiply
    131,042.70x = 196,272.45 × 107,714.70
  4. Step 4: Simplify right side
    131,042.70x = 21,141,428,070.02
  5. Step 5: Solve for x
    x = 21,141,428,070.02/131,042.70
  6. Step 6: Final answer
    x = 161,332.36

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1.5x scale

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.