Home / 193,267.81-266,709.07-108,386.70

Finding the Fourth Proportional to 193,267.81, 266,709.07 and 108,386.70

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Solution

The fourth proportional to 193,267.81, 266,709.07 and 108,386.70 is: 149,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,267.81 : 266,709.07 = 108,386.70 : x
  2. Step 2: Convert to fraction form
    193,267.81/266,709.07 = 108,386.70/x
  3. Step 3: Cross multiply
    193,267.81x = 266,709.07 × 108,386.70
  4. Step 4: Simplify right side
    193,267.81x = 28,907,715,957.37
  5. Step 5: Solve for x
    x = 28,907,715,957.37/193,267.81
  6. Step 6: Final answer
    x = 149,573.36

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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.