Home / 167,316.12-230,900.25-90,838.43

Finding the Fourth Proportional to 167,316.12, 230,900.25 and 90,838.43

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Solution

The fourth proportional to 167,316.12, 230,900.25 and 90,838.43 is: 125,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,316.12 : 230,900.25 = 90,838.43 : x
  2. Step 2: Convert to fraction form
    167,316.12/230,900.25 = 90,838.43/x
  3. Step 3: Cross multiply
    167,316.12x = 230,900.25 × 90,838.43
  4. Step 4: Simplify right side
    167,316.12x = 20,974,616,310.16
  5. Step 5: Solve for x
    x = 20,974,616,310.16/167,316.12
  6. Step 6: Final answer
    x = 125,359.21

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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.