Home / 150,824.81-208,139.95-82,843.38

Finding the Fourth Proportional to 150,824.81, 208,139.95 and 82,843.38

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Solution

The fourth proportional to 150,824.81, 208,139.95 and 82,843.38 is: 114,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,824.81 : 208,139.95 = 82,843.38 : x
  2. Step 2: Convert to fraction form
    150,824.81/208,139.95 = 82,843.38/x
  3. Step 3: Cross multiply
    150,824.81x = 208,139.95 × 82,843.38
  4. Step 4: Simplify right side
    150,824.81x = 17,243,016,971.03
  5. Step 5: Solve for x
    x = 17,243,016,971.03/150,824.81
  6. Step 6: Final answer
    x = 114,324.80

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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.