Home / 151,431.40-226,709.70-92,382.40

Finding the Fourth Proportional to 151,431.40, 226,709.70 and 92,382.40

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Solution

The fourth proportional to 151,431.40, 226,709.70 and 92,382.40 is: 138,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,431.40 : 226,709.70 = 92,382.40 : x
  2. Step 2: Convert to fraction form
    151,431.40/226,709.70 = 92,382.40/x
  3. Step 3: Cross multiply
    151,431.40x = 226,709.70 × 92,382.40
  4. Step 4: Simplify right side
    151,431.40x = 20,943,986,189.28
  5. Step 5: Solve for x
    x = 20,943,986,189.28/151,431.40
  6. Step 6: Final answer
    x = 138,306.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.