Home / 368,097.28-551,773.92-143,317.60

Finding the Fourth Proportional to 368,097.28, 551,773.92 and 143,317.60

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Solution

The fourth proportional to 368,097.28, 551,773.92 and 143,317.60 is: 214,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,097.28 : 551,773.92 = 143,317.60 : x
  2. Step 2: Convert to fraction form
    368,097.28/551,773.92 = 143,317.60/x
  3. Step 3: Cross multiply
    368,097.28x = 551,773.92 × 143,317.60
  4. Step 4: Simplify right side
    368,097.28x = 79,078,913,956.99
  5. Step 5: Solve for x
    x = 79,078,913,956.99/368,097.28
  6. Step 6: Final answer
    x = 214,831.56

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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.