Home / 228,512.24-315,343.03-126,535.52

Finding the Fourth Proportional to 228,512.24, 315,343.03 and 126,535.52

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Solution

The fourth proportional to 228,512.24, 315,343.03 and 126,535.52 is: 174,616.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,512.24 : 315,343.03 = 126,535.52 : x
  2. Step 2: Convert to fraction form
    228,512.24/315,343.03 = 126,535.52/x
  3. Step 3: Cross multiply
    228,512.24x = 315,343.03 × 126,535.52
  4. Step 4: Simplify right side
    228,512.24x = 39,902,094,279.43
  5. Step 5: Solve for x
    x = 39,902,094,279.43/228,512.24
  6. Step 6: Final answer
    x = 174,616.88

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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.