Home / 199,172.42-274,854.38-108,529.16

Finding the Fourth Proportional to 199,172.42, 274,854.38 and 108,529.16

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Solution

The fourth proportional to 199,172.42, 274,854.38 and 108,529.16 is: 149,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.42 : 274,854.38 = 108,529.16 : x
  2. Step 2: Convert to fraction form
    199,172.42/274,854.38 = 108,529.16/x
  3. Step 3: Cross multiply
    199,172.42x = 274,854.38 × 108,529.16
  4. Step 4: Simplify right side
    199,172.42x = 29,829,714,441.08
  5. Step 5: Solve for x
    x = 29,829,714,441.08/199,172.42
  6. Step 6: Final answer
    x = 149,768.30

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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.