Home / 166,724.13-230,079.31-91,272.63

Finding the Fourth Proportional to 166,724.13, 230,079.31 and 91,272.63

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Solution

The fourth proportional to 166,724.13, 230,079.31 and 91,272.63 is: 125,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,724.13 : 230,079.31 = 91,272.63 : x
  2. Step 2: Convert to fraction form
    166,724.13/230,079.31 = 91,272.63/x
  3. Step 3: Cross multiply
    166,724.13x = 230,079.31 × 91,272.63
  4. Step 4: Simplify right side
    166,724.13x = 20,999,942,125.53
  5. Step 5: Solve for x
    x = 20,999,942,125.53/166,724.13
  6. Step 6: Final answer
    x = 125,956.23

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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.