Home / 282,432.15-423,651.66-82,756.56

Finding the Fourth Proportional to 282,432.15, 423,651.66 and 82,756.56

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Solution

The fourth proportional to 282,432.15, 423,651.66 and 82,756.56 is: 124,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,432.15 : 423,651.66 = 82,756.56 : x
  2. Step 2: Convert to fraction form
    282,432.15/423,651.66 = 82,756.56/x
  3. Step 3: Cross multiply
    282,432.15x = 423,651.66 × 82,756.56
  4. Step 4: Simplify right side
    282,432.15x = 35,059,954,019.89
  5. Step 5: Solve for x
    x = 35,059,954,019.89/282,432.15
  6. Step 6: Final answer
    x = 124,135.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.