Home / 243,536.22-336,081.96-136,110.78

Finding the Fourth Proportional to 243,536.22, 336,081.96 and 136,110.78

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Solution

The fourth proportional to 243,536.22, 336,081.96 and 136,110.78 is: 187,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,536.22 : 336,081.96 = 136,110.78 : x
  2. Step 2: Convert to fraction form
    243,536.22/336,081.96 = 136,110.78/x
  3. Step 3: Cross multiply
    243,536.22x = 336,081.96 × 136,110.78
  4. Step 4: Simplify right side
    243,536.22x = 45,744,377,719.53
  5. Step 5: Solve for x
    x = 45,744,377,719.53/243,536.22
  6. Step 6: Final answer
    x = 187,833.98

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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.