Home / 171,453.11-238,030.55-166,320.95

Finding the Fourth Proportional to 171,453.11, 238,030.55 and 166,320.95

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Solution

The fourth proportional to 171,453.11, 238,030.55 and 166,320.95 is: 230,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,453.11 : 238,030.55 = 166,320.95 : x
  2. Step 2: Convert to fraction form
    171,453.11/238,030.55 = 166,320.95/x
  3. Step 3: Cross multiply
    171,453.11x = 238,030.55 × 166,320.95
  4. Step 4: Simplify right side
    171,453.11x = 39,589,465,806.97
  5. Step 5: Solve for x
    x = 39,589,465,806.97/171,453.11
  6. Step 6: Final answer
    x = 230,905.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.