Home / 170,736.11-256,116.62-65,555.11

Finding the Fourth Proportional to 170,736.11, 256,116.62 and 65,555.11

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Solution

The fourth proportional to 170,736.11, 256,116.62 and 65,555.11 is: 98,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.11 : 256,116.62 = 65,555.11 : x
  2. Step 2: Convert to fraction form
    170,736.11/256,116.62 = 65,555.11/x
  3. Step 3: Cross multiply
    170,736.11x = 256,116.62 × 65,555.11
  4. Step 4: Simplify right side
    170,736.11x = 16,789,753,196.93
  5. Step 5: Solve for x
    x = 16,789,753,196.93/170,736.11
  6. Step 6: Final answer
    x = 98,337.45

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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.