Home / 200,567.12-276,784.74-109,921.07

Finding the Fourth Proportional to 200,567.12, 276,784.74 and 109,921.07

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Solution

The fourth proportional to 200,567.12, 276,784.74 and 109,921.07 is: 151,692.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,567.12 : 276,784.74 = 109,921.07 : x
  2. Step 2: Convert to fraction form
    200,567.12/276,784.74 = 109,921.07/x
  3. Step 3: Cross multiply
    200,567.12x = 276,784.74 × 109,921.07
  4. Step 4: Simplify right side
    200,567.12x = 30,424,475,472.43
  5. Step 5: Solve for x
    x = 30,424,475,472.43/200,567.12
  6. Step 6: Final answer
    x = 151,692.24

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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.