Home / 243,811.17-336,474.27-136,388.43

Finding the Fourth Proportional to 243,811.17, 336,474.27 and 136,388.43

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Solution

The fourth proportional to 243,811.17, 336,474.27 and 136,388.43 is: 188,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,811.17 : 336,474.27 = 136,388.43 : x
  2. Step 2: Convert to fraction form
    243,811.17/336,474.27 = 136,388.43/x
  3. Step 3: Cross multiply
    243,811.17x = 336,474.27 × 136,388.43
  4. Step 4: Simplify right side
    243,811.17x = 45,891,197,420.70
  5. Step 5: Solve for x
    x = 45,891,197,420.70/243,811.17
  6. Step 6: Final answer
    x = 188,224.34

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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.