Home / 134,824.20-202,236.30-90,472.20

Finding the Fourth Proportional to 134,824.20, 202,236.30 and 90,472.20

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Solution

The fourth proportional to 134,824.20, 202,236.30 and 90,472.20 is: 135,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,824.20 : 202,236.30 = 90,472.20 : x
  2. Step 2: Convert to fraction form
    134,824.20/202,236.30 = 90,472.20/x
  3. Step 3: Cross multiply
    134,824.20x = 202,236.30 × 90,472.20
  4. Step 4: Simplify right side
    134,824.20x = 18,296,762,980.86
  5. Step 5: Solve for x
    x = 18,296,762,980.86/134,824.20
  6. Step 6: Final answer
    x = 135,708.30

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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.