Home / 167,287.43-230,856.78-90,806.46

Finding the Fourth Proportional to 167,287.43, 230,856.78 and 90,806.46

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Solution

The fourth proportional to 167,287.43, 230,856.78 and 90,806.46 is: 125,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,287.43 : 230,856.78 = 90,806.46 : x
  2. Step 2: Convert to fraction form
    167,287.43/230,856.78 = 90,806.46/x
  3. Step 3: Cross multiply
    167,287.43x = 230,856.78 × 90,806.46
  4. Step 4: Simplify right side
    167,287.43x = 20,963,286,958.80
  5. Step 5: Solve for x
    x = 20,963,286,958.80/167,287.43
  6. Step 6: Final answer
    x = 125,312.99

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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.