Home / 170,615.87-235,449.25-94,139.73

Finding the Fourth Proportional to 170,615.87, 235,449.25 and 94,139.73

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Solution

The fourth proportional to 170,615.87, 235,449.25 and 94,139.73 is: 129,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,615.87 : 235,449.25 = 94,139.73 : x
  2. Step 2: Convert to fraction form
    170,615.87/235,449.25 = 94,139.73/x
  3. Step 3: Cross multiply
    170,615.87x = 235,449.25 × 94,139.73
  4. Step 4: Simplify right side
    170,615.87x = 22,165,128,823.70
  5. Step 5: Solve for x
    x = 22,165,128,823.70/170,615.87
  6. Step 6: Final answer
    x = 129,912.47

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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.