Home / 193,512.40-290,268.60-146,273.20

Finding the Fourth Proportional to 193,512.40, 290,268.60 and 146,273.20

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Solution

The fourth proportional to 193,512.40, 290,268.60 and 146,273.20 is: 219,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,512.40 : 290,268.60 = 146,273.20 : x
  2. Step 2: Convert to fraction form
    193,512.40/290,268.60 = 146,273.20/x
  3. Step 3: Cross multiply
    193,512.40x = 290,268.60 × 146,273.20
  4. Step 4: Simplify right side
    193,512.40x = 42,458,516,981.52
  5. Step 5: Solve for x
    x = 42,458,516,981.52/193,512.40
  6. Step 6: Final answer
    x = 219,409.80

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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.