Home / 232,864.82-321,165.47-156,360.86

Finding the Fourth Proportional to 232,864.82, 321,165.47 and 156,360.86

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Solution

The fourth proportional to 232,864.82, 321,165.47 and 156,360.86 is: 215,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,864.82 : 321,165.47 = 156,360.86 : x
  2. Step 2: Convert to fraction form
    232,864.82/321,165.47 = 156,360.86/x
  3. Step 3: Cross multiply
    232,864.82x = 321,165.47 × 156,360.86
  4. Step 4: Simplify right side
    232,864.82x = 50,217,709,091.50
  5. Step 5: Solve for x
    x = 50,217,709,091.50/232,864.82
  6. Step 6: Final answer
    x = 215,651.76

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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.