Home / 232,775.18-321,220.71-142,282.66

Finding the Fourth Proportional to 232,775.18, 321,220.71 and 142,282.66

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Solution

The fourth proportional to 232,775.18, 321,220.71 and 142,282.66 is: 196,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,775.18 : 321,220.71 = 142,282.66 : x
  2. Step 2: Convert to fraction form
    232,775.18/321,220.71 = 142,282.66/x
  3. Step 3: Cross multiply
    232,775.18x = 321,220.71 × 142,282.66
  4. Step 4: Simplify right side
    232,775.18x = 45,704,137,065.89
  5. Step 5: Solve for x
    x = 45,704,137,065.89/232,775.18
  6. Step 6: Final answer
    x = 196,344.55

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1.5x scale

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.