Home / 199,012.16-274,632.85-108,369.22

Finding the Fourth Proportional to 199,012.16, 274,632.85 and 108,369.22

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Solution

The fourth proportional to 199,012.16, 274,632.85 and 108,369.22 is: 149,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,012.16 : 274,632.85 = 108,369.22 : x
  2. Step 2: Convert to fraction form
    199,012.16/274,632.85 = 108,369.22/x
  3. Step 3: Cross multiply
    199,012.16x = 274,632.85 × 108,369.22
  4. Step 4: Simplify right side
    199,012.16x = 29,761,747,740.88
  5. Step 5: Solve for x
    x = 29,761,747,740.88/199,012.16
  6. Step 6: Final answer
    x = 149,547.38

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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.