Home / 515,296.23-772,949.32-195,362.06

Finding the Fourth Proportional to 515,296.23, 772,949.32 and 195,362.06

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Solution

The fourth proportional to 515,296.23, 772,949.32 and 195,362.06 is: 293,044.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,296.23 : 772,949.32 = 195,362.06 : x
  2. Step 2: Convert to fraction form
    515,296.23/772,949.32 = 195,362.06/x
  3. Step 3: Cross multiply
    515,296.23x = 772,949.32 × 195,362.06
  4. Step 4: Simplify right side
    515,296.23x = 151,004,967,077.65
  5. Step 5: Solve for x
    x = 151,004,967,077.65/515,296.23
  6. Step 6: Final answer
    x = 293,044.97

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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.