Home / 113,851.20-170,760.72-71,602.44

Finding the Fourth Proportional to 113,851.20, 170,760.72 and 71,602.44

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Solution

The fourth proportional to 113,851.20, 170,760.72 and 71,602.44 is: 107,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,851.20 : 170,760.72 = 71,602.44 : x
  2. Step 2: Convert to fraction form
    113,851.20/170,760.72 = 71,602.44/x
  3. Step 3: Cross multiply
    113,851.20x = 170,760.72 × 71,602.44
  4. Step 4: Simplify right side
    113,851.20x = 12,226,884,208.16
  5. Step 5: Solve for x
    x = 12,226,884,208.16/113,851.20
  6. Step 6: Final answer
    x = 107,393.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.