Home / 173,958.10-261,034.35-74,101.30

Finding the Fourth Proportional to 173,958.10, 261,034.35 and 74,101.30

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Solution

The fourth proportional to 173,958.10, 261,034.35 and 74,101.30 is: 111,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,958.10 : 261,034.35 = 74,101.30 : x
  2. Step 2: Convert to fraction form
    173,958.10/261,034.35 = 74,101.30/x
  3. Step 3: Cross multiply
    173,958.10x = 261,034.35 × 74,101.30
  4. Step 4: Simplify right side
    173,958.10x = 19,342,984,679.66
  5. Step 5: Solve for x
    x = 19,342,984,679.66/173,958.10
  6. Step 6: Final answer
    x = 111,193.35

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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.