Home / 199,248.40-299,218.20-193,027.60

Finding the Fourth Proportional to 199,248.40, 299,218.20 and 193,027.60

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Solution

The fourth proportional to 199,248.40, 299,218.20 and 193,027.60 is: 289,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,248.40 : 299,218.20 = 193,027.60 : x
  2. Step 2: Convert to fraction form
    199,248.40/299,218.20 = 193,027.60/x
  3. Step 3: Cross multiply
    199,248.40x = 299,218.20 × 193,027.60
  4. Step 4: Simplify right side
    199,248.40x = 57,757,371,022.32
  5. Step 5: Solve for x
    x = 57,757,371,022.32/199,248.40
  6. Step 6: Final answer
    x = 289,876.21

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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.