Home / 200,145.62-276,105.53-123,637.17

Finding the Fourth Proportional to 200,145.62, 276,105.53 and 123,637.17

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Solution

The fourth proportional to 200,145.62, 276,105.53 and 123,637.17 is: 170,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,145.62 : 276,105.53 = 123,637.17 : x
  2. Step 2: Convert to fraction form
    200,145.62/276,105.53 = 123,637.17/x
  3. Step 3: Cross multiply
    200,145.62x = 276,105.53 × 123,637.17
  4. Step 4: Simplify right side
    200,145.62x = 34,136,905,732.36
  5. Step 5: Solve for x
    x = 34,136,905,732.36/200,145.62
  6. Step 6: Final answer
    x = 170,560.35

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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.