Home / 236,249.40-353,790.90-156,934.20

Finding the Fourth Proportional to 236,249.40, 353,790.90 and 156,934.20

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Solution

The fourth proportional to 236,249.40, 353,790.90 and 156,934.20 is: 235,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,249.40 : 353,790.90 = 156,934.20 : x
  2. Step 2: Convert to fraction form
    236,249.40/353,790.90 = 156,934.20/x
  3. Step 3: Cross multiply
    236,249.40x = 353,790.90 × 156,934.20
  4. Step 4: Simplify right side
    236,249.40x = 55,521,891,858.78
  5. Step 5: Solve for x
    x = 55,521,891,858.78/236,249.40
  6. Step 6: Final answer
    x = 235,013.90

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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.