Home / 219,635.10-329,817.03-137,053.98

Finding the Fourth Proportional to 219,635.10, 329,817.03 and 137,053.98

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Solution

The fourth proportional to 219,635.10, 329,817.03 and 137,053.98 is: 205,808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,635.10 : 329,817.03 = 137,053.98 : x
  2. Step 2: Convert to fraction form
    219,635.10/329,817.03 = 137,053.98/x
  3. Step 3: Cross multiply
    219,635.10x = 329,817.03 × 137,053.98
  4. Step 4: Simplify right side
    219,635.10x = 45,202,736,633.28
  5. Step 5: Solve for x
    x = 45,202,736,633.28/219,635.10
  6. Step 6: Final answer
    x = 205,808.35

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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.