Home / 252,828.92-348,911.88-139,649.24

Finding the Fourth Proportional to 252,828.92, 348,911.88 and 139,649.24

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Solution

The fourth proportional to 252,828.92, 348,911.88 and 139,649.24 is: 192,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,828.92 : 348,911.88 = 139,649.24 : x
  2. Step 2: Convert to fraction form
    252,828.92/348,911.88 = 139,649.24/x
  3. Step 3: Cross multiply
    252,828.92x = 348,911.88 × 139,649.24
  4. Step 4: Simplify right side
    252,828.92x = 48,725,278,868.97
  5. Step 5: Solve for x
    x = 48,725,278,868.97/252,828.92
  6. Step 6: Final answer
    x = 192,720.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.