Home / 235,250.20-324,639.66-127,817.80

Finding the Fourth Proportional to 235,250.20, 324,639.66 and 127,817.80

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Solution

The fourth proportional to 235,250.20, 324,639.66 and 127,817.80 is: 176,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,250.20 : 324,639.66 = 127,817.80 : x
  2. Step 2: Convert to fraction form
    235,250.20/324,639.66 = 127,817.80/x
  3. Step 3: Cross multiply
    235,250.20x = 324,639.66 × 127,817.80
  4. Step 4: Simplify right side
    235,250.20x = 41,494,727,133.95
  5. Step 5: Solve for x
    x = 41,494,727,133.95/235,250.20
  6. Step 6: Final answer
    x = 176,385.51

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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.