Home / 234,876.83-324,214.07-139,383.50

Finding the Fourth Proportional to 234,876.83, 324,214.07 and 139,383.50

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Solution

The fourth proportional to 234,876.83, 324,214.07 and 139,383.50 is: 192,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,876.83 : 324,214.07 = 139,383.50 : x
  2. Step 2: Convert to fraction form
    234,876.83/324,214.07 = 139,383.50/x
  3. Step 3: Cross multiply
    234,876.83x = 324,214.07 × 139,383.50
  4. Step 4: Simplify right side
    234,876.83x = 45,190,089,507.86
  5. Step 5: Solve for x
    x = 45,190,089,507.86/234,876.83
  6. Step 6: Final answer
    x = 192,399.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.