Home / 170,680.71-235,534.93-94,198.78

Finding the Fourth Proportional to 170,680.71, 235,534.93 and 94,198.78

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Solution

The fourth proportional to 170,680.71, 235,534.93 and 94,198.78 is: 129,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,680.71 : 235,534.93 = 94,198.78 : x
  2. Step 2: Convert to fraction form
    170,680.71/235,534.93 = 94,198.78/x
  3. Step 3: Cross multiply
    170,680.71x = 235,534.93 × 94,198.78
  4. Step 4: Simplify right side
    170,680.71x = 22,187,103,053.39
  5. Step 5: Solve for x
    x = 22,187,103,053.39/170,680.71
  6. Step 6: Final answer
    x = 129,991.86

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1.5x scale

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.