Home / 199,205.16-274,903.13-109,781.16

Finding the Fourth Proportional to 199,205.16, 274,903.13 and 109,781.16

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Solution

The fourth proportional to 199,205.16, 274,903.13 and 109,781.16 is: 151,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,205.16 : 274,903.13 = 109,781.16 : x
  2. Step 2: Convert to fraction form
    199,205.16/274,903.13 = 109,781.16/x
  3. Step 3: Cross multiply
    199,205.16x = 274,903.13 × 109,781.16
  4. Step 4: Simplify right side
    199,205.16x = 30,179,183,950.13
  5. Step 5: Solve for x
    x = 30,179,183,950.13/199,205.16
  6. Step 6: Final answer
    x = 151,498.00

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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.