Home / 199,190.72-274,879.68-108,547.40

Finding the Fourth Proportional to 199,190.72, 274,879.68 and 108,547.40

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Solution

The fourth proportional to 199,190.72, 274,879.68 and 108,547.40 is: 149,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,190.72 : 274,879.68 = 108,547.40 : x
  2. Step 2: Convert to fraction form
    199,190.72/274,879.68 = 108,547.40/x
  3. Step 3: Cross multiply
    199,190.72x = 274,879.68 × 108,547.40
  4. Step 4: Simplify right side
    199,190.72x = 29,837,474,576.83
  5. Step 5: Solve for x
    x = 29,837,474,576.83/199,190.72
  6. Step 6: Final answer
    x = 149,793.50

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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.