Home / 200,133.74-276,266.72-135,691.24

Finding the Fourth Proportional to 200,133.74, 276,266.72 and 135,691.24

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Solution

The fourth proportional to 200,133.74, 276,266.72 and 135,691.24 is: 187,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,133.74 : 276,266.72 = 135,691.24 : x
  2. Step 2: Convert to fraction form
    200,133.74/276,266.72 = 135,691.24/x
  3. Step 3: Cross multiply
    200,133.74x = 276,266.72 × 135,691.24
  4. Step 4: Simplify right side
    200,133.74x = 37,486,973,807.53
  5. Step 5: Solve for x
    x = 37,486,973,807.53/200,133.74
  6. Step 6: Final answer
    x = 187,309.62

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1.5x scale

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.