Home / 193,540.32-290,329.11-75,220.92

Finding the Fourth Proportional to 193,540.32, 290,329.11 and 75,220.92

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Solution

The fourth proportional to 193,540.32, 290,329.11 and 75,220.92 is: 112,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540.32 : 290,329.11 = 75,220.92 : x
  2. Step 2: Convert to fraction form
    193,540.32/290,329.11 = 75,220.92/x
  3. Step 3: Cross multiply
    193,540.32x = 290,329.11 × 75,220.92
  4. Step 4: Simplify right side
    193,540.32x = 21,838,822,756.98
  5. Step 5: Solve for x
    x = 21,838,822,756.98/193,540.32
  6. Step 6: Final answer
    x = 112,838.62

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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.