Home / 170,738.10-235,508.61-103,670.10

Finding the Fourth Proportional to 170,738.10, 235,508.61 and 103,670.10

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Solution

The fourth proportional to 170,738.10, 235,508.61 and 103,670.10 is: 142,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,738.10 : 235,508.61 = 103,670.10 : x
  2. Step 2: Convert to fraction form
    170,738.10/235,508.61 = 103,670.10/x
  3. Step 3: Cross multiply
    170,738.10x = 235,508.61 × 103,670.10
  4. Step 4: Simplify right side
    170,738.10x = 24,415,201,149.56
  5. Step 5: Solve for x
    x = 24,415,201,149.56/170,738.10
  6. Step 6: Final answer
    x = 142,997.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.