Home / 193,185.14-266,608.29-108,307.70

Finding the Fourth Proportional to 193,185.14, 266,608.29 and 108,307.70

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Solution

The fourth proportional to 193,185.14, 266,608.29 and 108,307.70 is: 149,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,185.14 : 266,608.29 = 108,307.70 : x
  2. Step 2: Convert to fraction form
    193,185.14/266,608.29 = 108,307.70/x
  3. Step 3: Cross multiply
    193,185.14x = 266,608.29 × 108,307.70
  4. Step 4: Simplify right side
    193,185.14x = 28,875,730,690.83
  5. Step 5: Solve for x
    x = 28,875,730,690.83/193,185.14
  6. Step 6: Final answer
    x = 149,471.80

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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.