Home / 132,218.87-198,342.44-42,230.17

Finding the Fourth Proportional to 132,218.87, 198,342.44 and 42,230.17

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Solution

The fourth proportional to 132,218.87, 198,342.44 and 42,230.17 is: 63,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,218.87 : 198,342.44 = 42,230.17 : x
  2. Step 2: Convert to fraction form
    132,218.87/198,342.44 = 42,230.17/x
  3. Step 3: Cross multiply
    132,218.87x = 198,342.44 × 42,230.17
  4. Step 4: Simplify right side
    132,218.87x = 8,376,033,756.55
  5. Step 5: Solve for x
    x = 8,376,033,756.55/132,218.87
  6. Step 6: Final answer
    x = 63,349.76

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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.