Home / 128,866.12-193,227.66-44,581

Finding the Fourth Proportional to 128,866.12, 193,227.66 and 44,581

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Solution

The fourth proportional to 128,866.12, 193,227.66 and 44,581 is: 66,846.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,866.12 : 193,227.66 = 44,581 : x
  2. Step 2: Convert to fraction form
    128,866.12/193,227.66 = 44,581/x
  3. Step 3: Cross multiply
    128,866.12x = 193,227.66 × 44,581
  4. Step 4: Simplify right side
    128,866.12x = 8,614,282,310.46
  5. Step 5: Solve for x
    x = 8,614,282,310.46/128,866.12
  6. Step 6: Final answer
    x = 66,846.76

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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.