Home / 243,539.66-336,088.54-136,116.65

Finding the Fourth Proportional to 243,539.66, 336,088.54 and 136,116.65

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Solution

The fourth proportional to 243,539.66, 336,088.54 and 136,116.65 is: 187,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,539.66 : 336,088.54 = 136,116.65 : x
  2. Step 2: Convert to fraction form
    243,539.66/336,088.54 = 136,116.65/x
  3. Step 3: Cross multiply
    243,539.66x = 336,088.54 × 136,116.65
  4. Step 4: Simplify right side
    243,539.66x = 45,747,247,178.56
  5. Step 5: Solve for x
    x = 45,747,247,178.56/243,539.66
  6. Step 6: Final answer
    x = 187,843.11

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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.