Home / 200,178.48-276,242.04-109,534.08

Finding the Fourth Proportional to 200,178.48, 276,242.04 and 109,534.08

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Solution

The fourth proportional to 200,178.48, 276,242.04 and 109,534.08 is: 151,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,178.48 : 276,242.04 = 109,534.08 : x
  2. Step 2: Convert to fraction form
    200,178.48/276,242.04 = 109,534.08/x
  3. Step 3: Cross multiply
    200,178.48x = 276,242.04 × 109,534.08
  4. Step 4: Simplify right side
    200,178.48x = 30,257,917,708.72
  5. Step 5: Solve for x
    x = 30,257,917,708.72/200,178.48
  6. Step 6: Final answer
    x = 151,154.70

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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.