Home / 235,319.28-324,768.24-139,826.04

Finding the Fourth Proportional to 235,319.28, 324,768.24 and 139,826.04

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Solution

The fourth proportional to 235,319.28, 324,768.24 and 139,826.04 is: 192,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,319.28 : 324,768.24 = 139,826.04 : x
  2. Step 2: Convert to fraction form
    235,319.28/324,768.24 = 139,826.04/x
  3. Step 3: Cross multiply
    235,319.28x = 324,768.24 × 139,826.04
  4. Step 4: Simplify right side
    235,319.28x = 45,411,056,916.97
  5. Step 5: Solve for x
    x = 45,411,056,916.97/235,319.28
  6. Step 6: Final answer
    x = 192,976.36

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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.