Home / 281,562.50-422,340.17-68,332.16

Finding the Fourth Proportional to 281,562.50, 422,340.17 and 68,332.16

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Solution

The fourth proportional to 281,562.50, 422,340.17 and 68,332.16 is: 102,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,562.50 : 422,340.17 = 68,332.16 : x
  2. Step 2: Convert to fraction form
    281,562.50/422,340.17 = 68,332.16/x
  3. Step 3: Cross multiply
    281,562.50x = 422,340.17 × 68,332.16
  4. Step 4: Simplify right side
    281,562.50x = 28,859,417,297.55
  5. Step 5: Solve for x
    x = 28,859,417,297.55/281,562.50
  6. Step 6: Final answer
    x = 102,497.38

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1.5x scale

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.