Home / 219,679.12-329,574.04-101,433.36

Finding the Fourth Proportional to 219,679.12, 329,574.04 and 101,433.36

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Solution

The fourth proportional to 219,679.12, 329,574.04 and 101,433.36 is: 152,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,679.12 : 329,574.04 = 101,433.36 : x
  2. Step 2: Convert to fraction form
    219,679.12/329,574.04 = 101,433.36/x
  3. Step 3: Cross multiply
    219,679.12x = 329,574.04 × 101,433.36
  4. Step 4: Simplify right side
    219,679.12x = 33,429,802,245.97
  5. Step 5: Solve for x
    x = 33,429,802,245.97/219,679.12
  6. Step 6: Final answer
    x = 152,175.60

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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.