Home / 252,070.28-347,854.20-143,173.88

Finding the Fourth Proportional to 252,070.28, 347,854.20 and 143,173.88

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Solution

The fourth proportional to 252,070.28, 347,854.20 and 143,173.88 is: 197,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.28 : 347,854.20 = 143,173.88 : x
  2. Step 2: Convert to fraction form
    252,070.28/347,854.20 = 143,173.88/x
  3. Step 3: Cross multiply
    252,070.28x = 347,854.20 × 143,173.88
  4. Step 4: Simplify right side
    252,070.28x = 49,803,635,488.30
  5. Step 5: Solve for x
    x = 49,803,635,488.30/252,070.28
  6. Step 6: Final answer
    x = 197,578.37

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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.