Home / 264,511.28-396,781.93-84,612.50

Finding the Fourth Proportional to 264,511.28, 396,781.93 and 84,612.50

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Solution

The fourth proportional to 264,511.28, 396,781.93 and 84,612.50 is: 126,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,511.28 : 396,781.93 = 84,612.50 : x
  2. Step 2: Convert to fraction form
    264,511.28/396,781.93 = 84,612.50/x
  3. Step 3: Cross multiply
    264,511.28x = 396,781.93 × 84,612.50
  4. Step 4: Simplify right side
    264,511.28x = 33,572,712,417.87
  5. Step 5: Solve for x
    x = 33,572,712,417.87/264,511.28
  6. Step 6: Final answer
    x = 126,923.56

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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.