Home / 361,128.16-498,356.39-199,983.01

Finding the Fourth Proportional to 361,128.16, 498,356.39 and 199,983.01

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Solution

The fourth proportional to 361,128.16, 498,356.39 and 199,983.01 is: 275,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,128.16 : 498,356.39 = 199,983.01 : x
  2. Step 2: Convert to fraction form
    361,128.16/498,356.39 = 199,983.01/x
  3. Step 3: Cross multiply
    361,128.16x = 498,356.39 × 199,983.01
  4. Step 4: Simplify right side
    361,128.16x = 99,662,810,924.93
  5. Step 5: Solve for x
    x = 99,662,810,924.93/361,128.16
  6. Step 6: Final answer
    x = 275,976.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.