Home / 220,952.76-331,356.18-87,866.04

Finding the Fourth Proportional to 220,952.76, 331,356.18 and 87,866.04

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Solution

The fourth proportional to 220,952.76, 331,356.18 and 87,866.04 is: 131,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,952.76 : 331,356.18 = 87,866.04 : x
  2. Step 2: Convert to fraction form
    220,952.76/331,356.18 = 87,866.04/x
  3. Step 3: Cross multiply
    220,952.76x = 331,356.18 × 87,866.04
  4. Step 4: Simplify right side
    220,952.76x = 29,114,955,366.13
  5. Step 5: Solve for x
    x = 29,114,955,366.13/220,952.76
  6. Step 6: Final answer
    x = 131,770.05

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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.