Home / 219,505.02-329,223.21-69,725.61

Finding the Fourth Proportional to 219,505.02, 329,223.21 and 69,725.61

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Solution

The fourth proportional to 219,505.02, 329,223.21 and 69,725.61 is: 104,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,505.02 : 329,223.21 = 69,725.61 : x
  2. Step 2: Convert to fraction form
    219,505.02/329,223.21 = 69,725.61/x
  3. Step 3: Cross multiply
    219,505.02x = 329,223.21 × 69,725.61
  4. Step 4: Simplify right side
    219,505.02x = 22,955,289,143.41
  5. Step 5: Solve for x
    x = 22,955,289,143.41/219,505.02
  6. Step 6: Final answer
    x = 104,577.51

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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.