Home / 206,730.31-309,680.27-94,255.81

Finding the Fourth Proportional to 206,730.31, 309,680.27 and 94,255.81

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Solution

The fourth proportional to 206,730.31, 309,680.27 and 94,255.81 is: 141,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,730.31 : 309,680.27 = 94,255.81 : x
  2. Step 2: Convert to fraction form
    206,730.31/309,680.27 = 94,255.81/x
  3. Step 3: Cross multiply
    206,730.31x = 309,680.27 × 94,255.81
  4. Step 4: Simplify right side
    206,730.31x = 29,189,163,444.39
  5. Step 5: Solve for x
    x = 29,189,163,444.39/206,730.31
  6. Step 6: Final answer
    x = 141,194.41

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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.