Home / 193,266.81-266,707.69-108,385.70

Finding the Fourth Proportional to 193,266.81, 266,707.69 and 108,385.70

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Solution

The fourth proportional to 193,266.81, 266,707.69 and 108,385.70 is: 149,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,266.81 : 266,707.69 = 108,385.70 : x
  2. Step 2: Convert to fraction form
    193,266.81/266,707.69 = 108,385.70/x
  3. Step 3: Cross multiply
    193,266.81x = 266,707.69 × 108,385.70
  4. Step 4: Simplify right side
    193,266.81x = 28,907,298,071.53
  5. Step 5: Solve for x
    x = 28,907,298,071.53/193,266.81
  6. Step 6: Final answer
    x = 149,571.97

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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.