Home / 219,118.19-328,726.49-69,367.46

Finding the Fourth Proportional to 219,118.19, 328,726.49 and 69,367.46

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Solution

The fourth proportional to 219,118.19, 328,726.49 and 69,367.46 is: 104,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,118.19 : 328,726.49 = 69,367.46 : x
  2. Step 2: Convert to fraction form
    219,118.19/328,726.49 = 69,367.46/x
  3. Step 3: Cross multiply
    219,118.19x = 328,726.49 × 69,367.46
  4. Step 4: Simplify right side
    219,118.19x = 22,802,919,655.55
  5. Step 5: Solve for x
    x = 22,802,919,655.55/219,118.19
  6. Step 6: Final answer
    x = 104,066.76

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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.