Home / 290,148.27-400,301.96-189,604.59

Finding the Fourth Proportional to 290,148.27, 400,301.96 and 189,604.59

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Solution

The fourth proportional to 290,148.27, 400,301.96 and 189,604.59 is: 261,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,148.27 : 400,301.96 = 189,604.59 : x
  2. Step 2: Convert to fraction form
    290,148.27/400,301.96 = 189,604.59/x
  3. Step 3: Cross multiply
    290,148.27x = 400,301.96 × 189,604.59
  4. Step 4: Simplify right side
    290,148.27x = 75,899,087,000.49
  5. Step 5: Solve for x
    x = 75,899,087,000.49/290,148.27
  6. Step 6: Final answer
    x = 261,587.25

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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.