Home / 219,743.51-329,506.16-69,964.34

Finding the Fourth Proportional to 219,743.51, 329,506.16 and 69,964.34

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Solution

The fourth proportional to 219,743.51, 329,506.16 and 69,964.34 is: 104,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,743.51 : 329,506.16 = 69,964.34 : x
  2. Step 2: Convert to fraction form
    219,743.51/329,506.16 = 69,964.34/x
  3. Step 3: Cross multiply
    219,743.51x = 329,506.16 × 69,964.34
  4. Step 4: Simplify right side
    219,743.51x = 23,053,679,012.98
  5. Step 5: Solve for x
    x = 23,053,679,012.98/219,743.51
  6. Step 6: Final answer
    x = 104,911.77

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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.