Home / 219,220.25-328,864.77-92,860.83

Finding the Fourth Proportional to 219,220.25, 328,864.77 and 92,860.83

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Solution

The fourth proportional to 219,220.25, 328,864.77 and 92,860.83 is: 139,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,220.25 : 328,864.77 = 92,860.83 : x
  2. Step 2: Convert to fraction form
    219,220.25/328,864.77 = 92,860.83/x
  3. Step 3: Cross multiply
    219,220.25x = 328,864.77 × 92,860.83
  4. Step 4: Simplify right side
    219,220.25x = 30,538,655,499.96
  5. Step 5: Solve for x
    x = 30,538,655,499.96/219,220.25
  6. Step 6: Final answer
    x = 139,305.82

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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.