Home / 193,500.72-290,243.52-53,255.52

Finding the Fourth Proportional to 193,500.72, 290,243.52 and 53,255.52

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Solution

The fourth proportional to 193,500.72, 290,243.52 and 53,255.52 is: 79,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,500.72 : 290,243.52 = 53,255.52 : x
  2. Step 2: Convert to fraction form
    193,500.72/290,243.52 = 53,255.52/x
  3. Step 3: Cross multiply
    193,500.72x = 290,243.52 × 53,255.52
  4. Step 4: Simplify right side
    193,500.72x = 15,457,069,584.23
  5. Step 5: Solve for x
    x = 15,457,069,584.23/193,500.72
  6. Step 6: Final answer
    x = 79,881.20

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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.