Home / 226,820.24-313,024.20-126,220.40

Finding the Fourth Proportional to 226,820.24, 313,024.20 and 126,220.40

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Solution

The fourth proportional to 226,820.24, 313,024.20 and 126,220.40 is: 174,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,820.24 : 313,024.20 = 126,220.40 : x
  2. Step 2: Convert to fraction form
    226,820.24/313,024.20 = 126,220.40/x
  3. Step 3: Cross multiply
    226,820.24x = 313,024.20 × 126,220.40
  4. Step 4: Simplify right side
    226,820.24x = 39,510,039,733.68
  5. Step 5: Solve for x
    x = 39,510,039,733.68/226,820.24
  6. Step 6: Final answer
    x = 174,190.98

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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.