Home / 326,359.15-489,427.85-113,077.29

Finding the Fourth Proportional to 326,359.15, 489,427.85 and 113,077.29

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Solution

The fourth proportional to 326,359.15, 489,427.85 and 113,077.29 is: 169,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,359.15 : 489,427.85 = 113,077.29 : x
  2. Step 2: Convert to fraction form
    326,359.15/489,427.85 = 113,077.29/x
  3. Step 3: Cross multiply
    326,359.15x = 489,427.85 × 113,077.29
  4. Step 4: Simplify right side
    326,359.15x = 55,343,172,481.39
  5. Step 5: Solve for x
    x = 55,343,172,481.39/326,359.15
  6. Step 6: Final answer
    x = 169,577.51

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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.