Home / 202,135.90-303,422.56-113,562.40

Finding the Fourth Proportional to 202,135.90, 303,422.56 and 113,562.40

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Solution

The fourth proportional to 202,135.90, 303,422.56 and 113,562.40 is: 170,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,135.90 : 303,422.56 = 113,562.40 : x
  2. Step 2: Convert to fraction form
    202,135.90/303,422.56 = 113,562.40/x
  3. Step 3: Cross multiply
    202,135.90x = 303,422.56 × 113,562.40
  4. Step 4: Simplify right side
    202,135.90x = 34,457,394,127.74
  5. Step 5: Solve for x
    x = 34,457,394,127.74/202,135.90
  6. Step 6: Final answer
    x = 170,466.47

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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.