Home / 212,748.90-319,123.35-174,695.10

Finding the Fourth Proportional to 212,748.90, 319,123.35 and 174,695.10

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Solution

The fourth proportional to 212,748.90, 319,123.35 and 174,695.10 is: 262,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,748.90 : 319,123.35 = 174,695.10 : x
  2. Step 2: Convert to fraction form
    212,748.90/319,123.35 = 174,695.10/x
  3. Step 3: Cross multiply
    212,748.90x = 319,123.35 × 174,695.10
  4. Step 4: Simplify right side
    212,748.90x = 55,749,285,540.59
  5. Step 5: Solve for x
    x = 55,749,285,540.59/212,748.90
  6. Step 6: Final answer
    x = 262,042.65

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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.