Home / 234,998.76-324,382.53-139,505.52

Finding the Fourth Proportional to 234,998.76, 324,382.53 and 139,505.52

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Solution

The fourth proportional to 234,998.76, 324,382.53 and 139,505.52 is: 192,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,998.76 : 324,382.53 = 139,505.52 : x
  2. Step 2: Convert to fraction form
    234,998.76/324,382.53 = 139,505.52/x
  3. Step 3: Cross multiply
    234,998.76x = 324,382.53 × 139,505.52
  4. Step 4: Simplify right side
    234,998.76x = 45,253,153,526.57
  5. Step 5: Solve for x
    x = 45,253,153,526.57/234,998.76
  6. Step 6: Final answer
    x = 192,567.63

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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.