Home / 401,732.25-602,281.33-199,188.70

Finding the Fourth Proportional to 401,732.25, 602,281.33 and 199,188.70

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Solution

The fourth proportional to 401,732.25, 602,281.33 and 199,188.70 is: 298,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,732.25 : 602,281.33 = 199,188.70 : x
  2. Step 2: Convert to fraction form
    401,732.25/602,281.33 = 199,188.70/x
  3. Step 3: Cross multiply
    401,732.25x = 602,281.33 × 199,188.70
  4. Step 4: Simplify right side
    401,732.25x = 119,967,635,156.97
  5. Step 5: Solve for x
    x = 119,967,635,156.97/401,732.25
  6. Step 6: Final answer
    x = 298,625.85

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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.