Home / 243,486.19-336,004.50-136,057.11

Finding the Fourth Proportional to 243,486.19, 336,004.50 and 136,057.11

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Solution

The fourth proportional to 243,486.19, 336,004.50 and 136,057.11 is: 187,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,486.19 : 336,004.50 = 136,057.11 : x
  2. Step 2: Convert to fraction form
    243,486.19/336,004.50 = 136,057.11/x
  3. Step 3: Cross multiply
    243,486.19x = 336,004.50 × 136,057.11
  4. Step 4: Simplify right side
    243,486.19x = 45,715,800,586.99
  5. Step 5: Solve for x
    x = 45,715,800,586.99/243,486.19
  6. Step 6: Final answer
    x = 187,755.21

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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.