Home / 193,318.75-266,779.33-107,290.72

Finding the Fourth Proportional to 193,318.75, 266,779.33 and 107,290.72

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Solution

The fourth proportional to 193,318.75, 266,779.33 and 107,290.72 is: 148,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,318.75 : 266,779.33 = 107,290.72 : x
  2. Step 2: Convert to fraction form
    193,318.75/266,779.33 = 107,290.72/x
  3. Step 3: Cross multiply
    193,318.75x = 266,779.33 × 107,290.72
  4. Step 4: Simplify right side
    193,318.75x = 28,622,946,396.82
  5. Step 5: Solve for x
    x = 28,622,946,396.82/193,318.75
  6. Step 6: Final answer
    x = 148,060.89

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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.