Home / 199,513.20-299,010.60-144,044.40

Finding the Fourth Proportional to 199,513.20, 299,010.60 and 144,044.40

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Solution

The fourth proportional to 199,513.20, 299,010.60 and 144,044.40 is: 215,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,513.20 : 299,010.60 = 144,044.40 : x
  2. Step 2: Convert to fraction form
    199,513.20/299,010.60 = 144,044.40/x
  3. Step 3: Cross multiply
    199,513.20x = 299,010.60 × 144,044.40
  4. Step 4: Simplify right side
    199,513.20x = 43,070,802,470.64
  5. Step 5: Solve for x
    x = 43,070,802,470.64/199,513.20
  6. Step 6: Final answer
    x = 215,879.46

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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.