Home / 207,325.89-286,198.00-139,382.27

Finding the Fourth Proportional to 207,325.89, 286,198.00 and 139,382.27

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Solution

The fourth proportional to 207,325.89, 286,198.00 and 139,382.27 is: 192,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,325.89 : 286,198.00 = 139,382.27 : x
  2. Step 2: Convert to fraction form
    207,325.89/286,198.00 = 139,382.27/x
  3. Step 3: Cross multiply
    207,325.89x = 286,198.00 × 139,382.27
  4. Step 4: Simplify right side
    207,325.89x = 39,890,926,542.42
  5. Step 5: Solve for x
    x = 39,890,926,542.42/207,325.89
  6. Step 6: Final answer
    x = 192,406.87

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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.