Home / 170,786.52-235,163.67-154,766.76

Finding the Fourth Proportional to 170,786.52, 235,163.67 and 154,766.76

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Solution

The fourth proportional to 170,786.52, 235,163.67 and 154,766.76 is: 213,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,786.52 : 235,163.67 = 154,766.76 : x
  2. Step 2: Convert to fraction form
    170,786.52/235,163.67 = 154,766.76/x
  3. Step 3: Cross multiply
    170,786.52x = 235,163.67 × 154,766.76
  4. Step 4: Simplify right side
    170,786.52x = 36,395,519,275.61
  5. Step 5: Solve for x
    x = 36,395,519,275.61/170,786.52
  6. Step 6: Final answer
    x = 213,105.34

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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.