Home / 200,495.80-276,681.18-109,851.40

Finding the Fourth Proportional to 200,495.80, 276,681.18 and 109,851.40

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Solution

The fourth proportional to 200,495.80, 276,681.18 and 109,851.40 is: 151,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,495.80 : 276,681.18 = 109,851.40 : x
  2. Step 2: Convert to fraction form
    200,495.80/276,681.18 = 109,851.40/x
  3. Step 3: Cross multiply
    200,495.80x = 276,681.18 × 109,851.40
  4. Step 4: Simplify right side
    200,495.80x = 30,393,814,976.65
  5. Step 5: Solve for x
    x = 30,393,814,976.65/200,495.80
  6. Step 6: Final answer
    x = 151,593.28

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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.