Home / 219,480.19-329,185.94-69,700.76

Finding the Fourth Proportional to 219,480.19, 329,185.94 and 69,700.76

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Solution

The fourth proportional to 219,480.19, 329,185.94 and 69,700.76 is: 104,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.19 : 329,185.94 = 69,700.76 : x
  2. Step 2: Convert to fraction form
    219,480.19/329,185.94 = 69,700.76/x
  3. Step 3: Cross multiply
    219,480.19x = 329,185.94 × 69,700.76
  4. Step 4: Simplify right side
    219,480.19x = 22,944,510,199.31
  5. Step 5: Solve for x
    x = 22,944,510,199.31/219,480.19
  6. Step 6: Final answer
    x = 104,540.23

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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.