Home / 219,564.36-329,338.80-93,123.36

Finding the Fourth Proportional to 219,564.36, 329,338.80 and 93,123.36

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Solution

The fourth proportional to 219,564.36, 329,338.80 and 93,123.36 is: 139,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,564.36 : 329,338.80 = 93,123.36 : x
  2. Step 2: Convert to fraction form
    219,564.36/329,338.80 = 93,123.36/x
  3. Step 3: Cross multiply
    219,564.36x = 329,338.80 × 93,123.36
  4. Step 4: Simplify right side
    219,564.36x = 30,669,135,634.37
  5. Step 5: Solve for x
    x = 30,669,135,634.37/219,564.36
  6. Step 6: Final answer
    x = 139,681.76

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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.