Home / 245,003.20-367,418.40-111,947.20

Finding the Fourth Proportional to 245,003.20, 367,418.40 and 111,947.20

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Solution

The fourth proportional to 245,003.20, 367,418.40 and 111,947.20 is: 167,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,003.20 : 367,418.40 = 111,947.20 : x
  2. Step 2: Convert to fraction form
    245,003.20/367,418.40 = 111,947.20/x
  3. Step 3: Cross multiply
    245,003.20x = 367,418.40 × 111,947.20
  4. Step 4: Simplify right side
    245,003.20x = 41,131,461,108.48
  5. Step 5: Solve for x
    x = 41,131,461,108.48/245,003.20
  6. Step 6: Final answer
    x = 167,881.32

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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.