Home / 193,020.76-266,379.58-108,165.16

Finding the Fourth Proportional to 193,020.76, 266,379.58 and 108,165.16

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Solution

The fourth proportional to 193,020.76, 266,379.58 and 108,165.16 is: 149,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,020.76 : 266,379.58 = 108,165.16 : x
  2. Step 2: Convert to fraction form
    193,020.76/266,379.58 = 108,165.16/x
  3. Step 3: Cross multiply
    193,020.76x = 266,379.58 × 108,165.16
  4. Step 4: Simplify right side
    193,020.76x = 28,812,989,891.43
  5. Step 5: Solve for x
    x = 28,812,989,891.43/193,020.76
  6. Step 6: Final answer
    x = 149,274.05

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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.