Home / 219,645.36-329,423.09-61,875.18

Finding the Fourth Proportional to 219,645.36, 329,423.09 and 61,875.18

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Solution

The fourth proportional to 219,645.36, 329,423.09 and 61,875.18 is: 92,800.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,645.36 : 329,423.09 = 61,875.18 : x
  2. Step 2: Convert to fraction form
    219,645.36/329,423.09 = 61,875.18/x
  3. Step 3: Cross multiply
    219,645.36x = 329,423.09 × 61,875.18
  4. Step 4: Simplify right side
    219,645.36x = 20,383,112,680.53
  5. Step 5: Solve for x
    x = 20,383,112,680.53/219,645.36
  6. Step 6: Final answer
    x = 92,800.11

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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.