Home / 166,867.08-230,275.38-90,384.46

Finding the Fourth Proportional to 166,867.08, 230,275.38 and 90,384.46

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Solution

The fourth proportional to 166,867.08, 230,275.38 and 90,384.46 is: 124,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,867.08 : 230,275.38 = 90,384.46 : x
  2. Step 2: Convert to fraction form
    166,867.08/230,275.38 = 90,384.46/x
  3. Step 3: Cross multiply
    166,867.08x = 230,275.38 × 90,384.46
  4. Step 4: Simplify right side
    166,867.08x = 20,813,315,872.59
  5. Step 5: Solve for x
    x = 20,813,315,872.59/166,867.08
  6. Step 6: Final answer
    x = 124,729.91

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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.