Home / 199,249.38-274,995.81-122,813.46

Finding the Fourth Proportional to 199,249.38, 274,995.81 and 122,813.46

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Solution

The fourth proportional to 199,249.38, 274,995.81 and 122,813.46 is: 169,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,249.38 : 274,995.81 = 122,813.46 : x
  2. Step 2: Convert to fraction form
    199,249.38/274,995.81 = 122,813.46/x
  3. Step 3: Cross multiply
    199,249.38x = 274,995.81 × 122,813.46
  4. Step 4: Simplify right side
    199,249.38x = 33,773,186,911.60
  5. Step 5: Solve for x
    x = 33,773,186,911.60/199,249.38
  6. Step 6: Final answer
    x = 169,502.09

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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.