Home / 234,774.09-324,039.42-144,177.66

Finding the Fourth Proportional to 234,774.09, 324,039.42 and 144,177.66

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Solution

The fourth proportional to 234,774.09, 324,039.42 and 144,177.66 is: 198,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,774.09 : 324,039.42 = 144,177.66 : x
  2. Step 2: Convert to fraction form
    234,774.09/324,039.42 = 144,177.66/x
  3. Step 3: Cross multiply
    234,774.09x = 324,039.42 × 144,177.66
  4. Step 4: Simplify right side
    234,774.09x = 46,719,245,323.36
  5. Step 5: Solve for x
    x = 46,719,245,323.36/234,774.09
  6. Step 6: Final answer
    x = 198,996.60

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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.