Home / 202,317.90-303,513.30-84,001.20

Finding the Fourth Proportional to 202,317.90, 303,513.30 and 84,001.20

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Solution

The fourth proportional to 202,317.90, 303,513.30 and 84,001.20 is: 126,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,317.90 : 303,513.30 = 84,001.20 : x
  2. Step 2: Convert to fraction form
    202,317.90/303,513.30 = 84,001.20/x
  3. Step 3: Cross multiply
    202,317.90x = 303,513.30 × 84,001.20
  4. Step 4: Simplify right side
    202,317.90x = 25,495,481,415.96
  5. Step 5: Solve for x
    x = 25,495,481,415.96/202,317.90
  6. Step 6: Final answer
    x = 126,016.93

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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.