Home / 340,204.83-509,724.05-240,186.03

Finding the Fourth Proportional to 340,204.83, 509,724.05 and 240,186.03

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Solution

The fourth proportional to 340,204.83, 509,724.05 and 240,186.03 is: 359,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,204.83 : 509,724.05 = 240,186.03 : x
  2. Step 2: Convert to fraction form
    340,204.83/509,724.05 = 240,186.03/x
  3. Step 3: Cross multiply
    340,204.83x = 509,724.05 × 240,186.03
  4. Step 4: Simplify right side
    340,204.83x = 122,428,594,764.09
  5. Step 5: Solve for x
    x = 122,428,594,764.09/340,204.83
  6. Step 6: Final answer
    x = 359,867.30

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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.