Home / 264,224.73-396,378.40-86,691.36

Finding the Fourth Proportional to 264,224.73, 396,378.40 and 86,691.36

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Solution

The fourth proportional to 264,224.73, 396,378.40 and 86,691.36 is: 130,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,224.73 : 396,378.40 = 86,691.36 : x
  2. Step 2: Convert to fraction form
    264,224.73/396,378.40 = 86,691.36/x
  3. Step 3: Cross multiply
    264,224.73x = 396,378.40 × 86,691.36
  4. Step 4: Simplify right side
    264,224.73x = 34,362,582,570.62
  5. Step 5: Solve for x
    x = 34,362,582,570.62/264,224.73
  6. Step 6: Final answer
    x = 130,050.59

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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.