Home / 193,317.75-266,777.95-107,289.72

Finding the Fourth Proportional to 193,317.75, 266,777.95 and 107,289.72

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Solution

The fourth proportional to 193,317.75, 266,777.95 and 107,289.72 is: 148,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,317.75 : 266,777.95 = 107,289.72 : x
  2. Step 2: Convert to fraction form
    193,317.75/266,777.95 = 107,289.72/x
  3. Step 3: Cross multiply
    193,317.75x = 266,777.95 × 107,289.72
  4. Step 4: Simplify right side
    193,317.75x = 28,622,531,557.67
  5. Step 5: Solve for x
    x = 28,622,531,557.67/193,317.75
  6. Step 6: Final answer
    x = 148,059.51

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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.