Home / 219,210.11-328,824.73-69,461.43

Finding the Fourth Proportional to 219,210.11, 328,824.73 and 69,461.43

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Solution

The fourth proportional to 219,210.11, 328,824.73 and 69,461.43 is: 104,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,210.11 : 328,824.73 = 69,461.43 : x
  2. Step 2: Convert to fraction form
    219,210.11/328,824.73 = 69,461.43/x
  3. Step 3: Cross multiply
    219,210.11x = 328,824.73 × 69,461.43
  4. Step 4: Simplify right side
    219,210.11x = 22,840,635,791.51
  5. Step 5: Solve for x
    x = 22,840,635,791.51/219,210.11
  6. Step 6: Final answer
    x = 104,195.18

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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.