Home / 443,152.18-611,542.16-252,161.46

Finding the Fourth Proportional to 443,152.18, 611,542.16 and 252,161.46

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Solution

The fourth proportional to 443,152.18, 611,542.16 and 252,161.46 is: 347,978.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,152.18 : 611,542.16 = 252,161.46 : x
  2. Step 2: Convert to fraction form
    443,152.18/611,542.16 = 252,161.46/x
  3. Step 3: Cross multiply
    443,152.18x = 611,542.16 × 252,161.46
  4. Step 4: Simplify right side
    443,152.18x = 154,207,363,917.15
  5. Step 5: Solve for x
    x = 154,207,363,917.15/443,152.18
  6. Step 6: Final answer
    x = 347,978.35

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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.