Home / 200,140.74-276,098.79-123,632.29

Finding the Fourth Proportional to 200,140.74, 276,098.79 and 123,632.29

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Solution

The fourth proportional to 200,140.74, 276,098.79 and 123,632.29 is: 170,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,140.74 : 276,098.79 = 123,632.29 : x
  2. Step 2: Convert to fraction form
    200,140.74/276,098.79 = 123,632.29/x
  3. Step 3: Cross multiply
    200,140.74x = 276,098.79 × 123,632.29
  4. Step 4: Simplify right side
    200,140.74x = 34,134,726,482.67
  5. Step 5: Solve for x
    x = 34,134,726,482.67/200,140.74
  6. Step 6: Final answer
    x = 170,553.61

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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.