Home / 232,778.16-321,208.92-156,281.76

Finding the Fourth Proportional to 232,778.16, 321,208.92 and 156,281.76

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Solution

The fourth proportional to 232,778.16, 321,208.92 and 156,281.76 is: 215,652.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,778.16 : 321,208.92 = 156,281.76 : x
  2. Step 2: Convert to fraction form
    232,778.16/321,208.92 = 156,281.76/x
  3. Step 3: Cross multiply
    232,778.16x = 321,208.92 × 156,281.76
  4. Step 4: Simplify right side
    232,778.16x = 50,199,095,345.30
  5. Step 5: Solve for x
    x = 50,199,095,345.30/232,778.16
  6. Step 6: Final answer
    x = 215,652.08

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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.