Home / 228,343.35-315,114.43-126,375.85

Finding the Fourth Proportional to 228,343.35, 315,114.43 and 126,375.85

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Solution

The fourth proportional to 228,343.35, 315,114.43 and 126,375.85 is: 174,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,343.35 : 315,114.43 = 126,375.85 : x
  2. Step 2: Convert to fraction form
    228,343.35/315,114.43 = 126,375.85/x
  3. Step 3: Cross multiply
    228,343.35x = 315,114.43 × 126,375.85
  4. Step 4: Simplify right side
    228,343.35x = 39,822,852,125.47
  5. Step 5: Solve for x
    x = 39,822,852,125.47/228,343.35
  6. Step 6: Final answer
    x = 174,399.00

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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.