Home / 282,188.43-389,411.25-154,860.75

Finding the Fourth Proportional to 282,188.43, 389,411.25 and 154,860.75

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Solution

The fourth proportional to 282,188.43, 389,411.25 and 154,860.75 is: 213,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,188.43 : 389,411.25 = 154,860.75 : x
  2. Step 2: Convert to fraction form
    282,188.43/389,411.25 = 154,860.75/x
  3. Step 3: Cross multiply
    282,188.43x = 389,411.25 × 154,860.75
  4. Step 4: Simplify right side
    282,188.43x = 60,304,517,459.13
  5. Step 5: Solve for x
    x = 60,304,517,459.13/282,188.43
  6. Step 6: Final answer
    x = 213,703.01

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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.