Home / 199,618.05-297,899.36-178,318.89

Finding the Fourth Proportional to 199,618.05, 297,899.36 and 178,318.89

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Solution

The fourth proportional to 199,618.05, 297,899.36 and 178,318.89 is: 266,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,618.05 : 297,899.36 = 178,318.89 : x
  2. Step 2: Convert to fraction form
    199,618.05/297,899.36 = 178,318.89/x
  3. Step 3: Cross multiply
    199,618.05x = 297,899.36 × 178,318.89
  4. Step 4: Simplify right side
    199,618.05x = 53,121,083,505.86
  5. Step 5: Solve for x
    x = 53,121,083,505.86/199,618.05
  6. Step 6: Final answer
    x = 266,113.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.