Home / 167,417.20-231,034.68-90,935.52

Finding the Fourth Proportional to 167,417.20, 231,034.68 and 90,935.52

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Solution

The fourth proportional to 167,417.20, 231,034.68 and 90,935.52 is: 125,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,417.20 : 231,034.68 = 90,935.52 : x
  2. Step 2: Convert to fraction form
    167,417.20/231,034.68 = 90,935.52/x
  3. Step 3: Cross multiply
    167,417.20x = 231,034.68 × 90,935.52
  4. Step 4: Simplify right side
    167,417.20x = 21,009,258,763.83
  5. Step 5: Solve for x
    x = 21,009,258,763.83/167,417.20
  6. Step 6: Final answer
    x = 125,490.44

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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.