Home / 264,038.48-396,015.85-84,100.56

Finding the Fourth Proportional to 264,038.48, 396,015.85 and 84,100.56

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Solution

The fourth proportional to 264,038.48, 396,015.85 and 84,100.56 is: 126,137.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,038.48 : 396,015.85 = 84,100.56 : x
  2. Step 2: Convert to fraction form
    264,038.48/396,015.85 = 84,100.56/x
  3. Step 3: Cross multiply
    264,038.48x = 396,015.85 × 84,100.56
  4. Step 4: Simplify right side
    264,038.48x = 33,305,153,373.94
  5. Step 5: Solve for x
    x = 33,305,153,373.94/264,038.48
  6. Step 6: Final answer
    x = 126,137.50

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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.