Home / 166,764.17-230,134.92-90,284.07

Finding the Fourth Proportional to 166,764.17, 230,134.92 and 90,284.07

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Solution

The fourth proportional to 166,764.17, 230,134.92 and 90,284.07 is: 124,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,764.17 : 230,134.92 = 90,284.07 : x
  2. Step 2: Convert to fraction form
    166,764.17/230,134.92 = 90,284.07/x
  3. Step 3: Cross multiply
    166,764.17x = 230,134.92 × 90,284.07
  4. Step 4: Simplify right side
    166,764.17x = 20,777,516,964.50
  5. Step 5: Solve for x
    x = 20,777,516,964.50/166,764.17
  6. Step 6: Final answer
    x = 124,592.22

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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.