Home / 202,267.40-303,155.10-143,120.12

Finding the Fourth Proportional to 202,267.40, 303,155.10 and 143,120.12

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Solution

The fourth proportional to 202,267.40, 303,155.10 and 143,120.12 is: 214,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,267.40 : 303,155.10 = 143,120.12 : x
  2. Step 2: Convert to fraction form
    202,267.40/303,155.10 = 143,120.12/x
  3. Step 3: Cross multiply
    202,267.40x = 303,155.10 × 143,120.12
  4. Step 4: Simplify right side
    202,267.40x = 43,387,594,290.61
  5. Step 5: Solve for x
    x = 43,387,594,290.61/202,267.40
  6. Step 6: Final answer
    x = 214,506.12

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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.