Home / 193,032.12-266,386.95-108,147.36

Finding the Fourth Proportional to 193,032.12, 266,386.95 and 108,147.36

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Solution

The fourth proportional to 193,032.12, 266,386.95 and 108,147.36 is: 149,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,032.12 : 266,386.95 = 108,147.36 : x
  2. Step 2: Convert to fraction form
    193,032.12/266,386.95 = 108,147.36/x
  3. Step 3: Cross multiply
    193,032.12x = 266,386.95 × 108,147.36
  4. Step 4: Simplify right side
    193,032.12x = 28,809,045,380.95
  5. Step 5: Solve for x
    x = 28,809,045,380.95/193,032.12
  6. Step 6: Final answer
    x = 149,244.83

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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.