Home / 259,411.14-386,537.78-231,113.75

Finding the Fourth Proportional to 259,411.14, 386,537.78 and 231,113.75

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Solution

The fourth proportional to 259,411.14, 386,537.78 and 231,113.75 is: 344,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,411.14 : 386,537.78 = 231,113.75 : x
  2. Step 2: Convert to fraction form
    259,411.14/386,537.78 = 231,113.75/x
  3. Step 3: Cross multiply
    259,411.14x = 386,537.78 × 231,113.75
  4. Step 4: Simplify right side
    259,411.14x = 89,334,195,852.48
  5. Step 5: Solve for x
    x = 89,334,195,852.48/259,411.14
  6. Step 6: Final answer
    x = 344,373.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.