Home / 193,899.72-290,856.08-53,646.60

Finding the Fourth Proportional to 193,899.72, 290,856.08 and 53,646.60

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Solution

The fourth proportional to 193,899.72, 290,856.08 and 53,646.60 is: 80,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,899.72 : 290,856.08 = 53,646.60 : x
  2. Step 2: Convert to fraction form
    193,899.72/290,856.08 = 53,646.60/x
  3. Step 3: Cross multiply
    193,899.72x = 290,856.08 × 53,646.60
  4. Step 4: Simplify right side
    193,899.72x = 15,603,439,781.33
  5. Step 5: Solve for x
    x = 15,603,439,781.33/193,899.72
  6. Step 6: Final answer
    x = 80,471.70

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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.