Home / 226,858.20-340,287.30-155,999.40

Finding the Fourth Proportional to 226,858.20, 340,287.30 and 155,999.40

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Solution

The fourth proportional to 226,858.20, 340,287.30 and 155,999.40 is: 233,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,858.20 : 340,287.30 = 155,999.40 : x
  2. Step 2: Convert to fraction form
    226,858.20/340,287.30 = 155,999.40/x
  3. Step 3: Cross multiply
    226,858.20x = 340,287.30 × 155,999.40
  4. Step 4: Simplify right side
    226,858.20x = 53,084,614,627.62
  5. Step 5: Solve for x
    x = 53,084,614,627.62/226,858.20
  6. Step 6: Final answer
    x = 233,999.10

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1.5x scale

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.