Home / 243,519.64-336,058.34-136,091.46

Finding the Fourth Proportional to 243,519.64, 336,058.34 and 136,091.46

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Solution

The fourth proportional to 243,519.64, 336,058.34 and 136,091.46 is: 187,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,519.64 : 336,058.34 = 136,091.46 : x
  2. Step 2: Convert to fraction form
    243,519.64/336,058.34 = 136,091.46/x
  3. Step 3: Cross multiply
    243,519.64x = 336,058.34 × 136,091.46
  4. Step 4: Simplify right side
    243,519.64x = 45,734,669,795.55
  5. Step 5: Solve for x
    x = 45,734,669,795.55/243,519.64
  6. Step 6: Final answer
    x = 187,806.91

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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.