Home / 199,172.08-274,853.96-108,528.76

Finding the Fourth Proportional to 199,172.08, 274,853.96 and 108,528.76

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Solution

The fourth proportional to 199,172.08, 274,853.96 and 108,528.76 is: 149,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.08 : 274,853.96 = 108,528.76 : x
  2. Step 2: Convert to fraction form
    199,172.08/274,853.96 = 108,528.76/x
  3. Step 3: Cross multiply
    199,172.08x = 274,853.96 × 108,528.76
  4. Step 4: Simplify right side
    199,172.08x = 29,829,559,459.89
  5. Step 5: Solve for x
    x = 29,829,559,459.89/199,172.08
  6. Step 6: Final answer
    x = 149,767.78

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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.