Home / 167,258.08-230,814.19-90,777.31

Finding the Fourth Proportional to 167,258.08, 230,814.19 and 90,777.31

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Solution

The fourth proportional to 167,258.08, 230,814.19 and 90,777.31 is: 125,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,258.08 : 230,814.19 = 90,777.31 : x
  2. Step 2: Convert to fraction form
    167,258.08/230,814.19 = 90,777.31/x
  3. Step 3: Cross multiply
    167,258.08x = 230,814.19 × 90,777.31
  4. Step 4: Simplify right side
    167,258.08x = 20,952,691,278.03
  5. Step 5: Solve for x
    x = 20,952,691,278.03/167,258.08
  6. Step 6: Final answer
    x = 125,271.62

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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.