Home / 219,182.09-328,776.38-61,400.57

Finding the Fourth Proportional to 219,182.09, 328,776.38 and 61,400.57

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Solution

The fourth proportional to 219,182.09, 328,776.38 and 61,400.57 is: 92,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,182.09 : 328,776.38 = 61,400.57 : x
  2. Step 2: Convert to fraction form
    219,182.09/328,776.38 = 61,400.57/x
  3. Step 3: Cross multiply
    219,182.09x = 328,776.38 × 61,400.57
  4. Step 4: Simplify right side
    219,182.09x = 20,187,057,134.54
  5. Step 5: Solve for x
    x = 20,187,057,134.54/219,182.09
  6. Step 6: Final answer
    x = 92,101.76

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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.