Home / 170,407.12-235,175.38-93,939.82

Finding the Fourth Proportional to 170,407.12, 235,175.38 and 93,939.82

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Solution

The fourth proportional to 170,407.12, 235,175.38 and 93,939.82 is: 129,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,407.12 : 235,175.38 = 93,939.82 : x
  2. Step 2: Convert to fraction form
    170,407.12/235,175.38 = 93,939.82/x
  3. Step 3: Cross multiply
    170,407.12x = 235,175.38 × 93,939.82
  4. Step 4: Simplify right side
    170,407.12x = 22,092,331,689.75
  5. Step 5: Solve for x
    x = 22,092,331,689.75/170,407.12
  6. Step 6: Final answer
    x = 129,644.42

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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.