Home / 167,257.08-230,812.82-90,776.31

Finding the Fourth Proportional to 167,257.08, 230,812.82 and 90,776.31

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Solution

The fourth proportional to 167,257.08, 230,812.82 and 90,776.31 is: 125,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,257.08 : 230,812.82 = 90,776.31 : x
  2. Step 2: Convert to fraction form
    167,257.08/230,812.82 = 90,776.31/x
  3. Step 3: Cross multiply
    167,257.08x = 230,812.82 × 90,776.31
  4. Step 4: Simplify right side
    167,257.08x = 20,952,335,646.41
  5. Step 5: Solve for x
    x = 20,952,335,646.41/167,257.08
  6. Step 6: Final answer
    x = 125,270.25

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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.