Home / 219,564.48-329,339.04-93,123.36

Finding the Fourth Proportional to 219,564.48, 329,339.04 and 93,123.36

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Solution

The fourth proportional to 219,564.48, 329,339.04 and 93,123.36 is: 139,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,564.48 : 329,339.04 = 93,123.36 : x
  2. Step 2: Convert to fraction form
    219,564.48/329,339.04 = 93,123.36/x
  3. Step 3: Cross multiply
    219,564.48x = 329,339.04 × 93,123.36
  4. Step 4: Simplify right side
    219,564.48x = 30,669,157,983.97
  5. Step 5: Solve for x
    x = 30,669,157,983.97/219,564.48
  6. Step 6: Final answer
    x = 139,681.78

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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.