Home / 245,628.20-368,442.30-226,965.80

Finding the Fourth Proportional to 245,628.20, 368,442.30 and 226,965.80

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Solution

The fourth proportional to 245,628.20, 368,442.30 and 226,965.80 is: 340,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,628.20 : 368,442.30 = 226,965.80 : x
  2. Step 2: Convert to fraction form
    245,628.20/368,442.30 = 226,965.80/x
  3. Step 3: Cross multiply
    245,628.20x = 368,442.30 × 226,965.80
  4. Step 4: Simplify right side
    245,628.20x = 83,623,801,373.34
  5. Step 5: Solve for x
    x = 83,623,801,373.34/245,628.20
  6. Step 6: Final answer
    x = 340,448.70

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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.