Home / 220,243.24-303,863.38-123,432.94

Finding the Fourth Proportional to 220,243.24, 303,863.38 and 123,432.94

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Solution

The fourth proportional to 220,243.24, 303,863.38 and 123,432.94 is: 170,296.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,243.24 : 303,863.38 = 123,432.94 : x
  2. Step 2: Convert to fraction form
    220,243.24/303,863.38 = 123,432.94/x
  3. Step 3: Cross multiply
    220,243.24x = 303,863.38 × 123,432.94
  4. Step 4: Simplify right side
    220,243.24x = 37,506,749,283.50
  5. Step 5: Solve for x
    x = 37,506,749,283.50/220,243.24
  6. Step 6: Final answer
    x = 170,296.94

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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.