Home / 200,135.48-276,176.66-109,473.80

Finding the Fourth Proportional to 200,135.48, 276,176.66 and 109,473.80

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Solution

The fourth proportional to 200,135.48, 276,176.66 and 109,473.80 is: 151,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,135.48 : 276,176.66 = 109,473.80 : x
  2. Step 2: Convert to fraction form
    200,135.48/276,176.66 = 109,473.80/x
  3. Step 3: Cross multiply
    200,135.48x = 276,176.66 × 109,473.80
  4. Step 4: Simplify right side
    200,135.48x = 30,234,106,513.26
  5. Step 5: Solve for x
    x = 30,234,106,513.26/200,135.48
  6. Step 6: Final answer
    x = 151,068.20

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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.