Home / 131,714.79-181,723.55-83,983.52

Finding the Fourth Proportional to 131,714.79, 181,723.55 and 83,983.52

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Solution

The fourth proportional to 131,714.79, 181,723.55 and 83,983.52 is: 115,869.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,714.79 : 181,723.55 = 83,983.52 : x
  2. Step 2: Convert to fraction form
    131,714.79/181,723.55 = 83,983.52/x
  3. Step 3: Cross multiply
    131,714.79x = 181,723.55 × 83,983.52
  4. Step 4: Simplify right side
    131,714.79x = 15,261,782,067.36
  5. Step 5: Solve for x
    x = 15,261,782,067.36/131,714.79
  6. Step 6: Final answer
    x = 115,869.92

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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.