Home / 638,642.25-957,685.22-183,132.83

Finding the Fourth Proportional to 638,642.25, 957,685.22 and 183,132.83

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Solution

The fourth proportional to 638,642.25, 957,685.22 and 183,132.83 is: 274,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,642.25 : 957,685.22 = 183,132.83 : x
  2. Step 2: Convert to fraction form
    638,642.25/957,685.22 = 183,132.83/x
  3. Step 3: Cross multiply
    638,642.25x = 957,685.22 × 183,132.83
  4. Step 4: Simplify right side
    638,642.25x = 175,383,598,883.68
  5. Step 5: Solve for x
    x = 175,383,598,883.68/638,642.25
  6. Step 6: Final answer
    x = 274,619.47

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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.