Home / 140,307.41-193,629.44-76,645.64

Finding the Fourth Proportional to 140,307.41, 193,629.44 and 76,645.64

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Solution

The fourth proportional to 140,307.41, 193,629.44 and 76,645.64 is: 105,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,307.41 : 193,629.44 = 76,645.64 : x
  2. Step 2: Convert to fraction form
    140,307.41/193,629.44 = 76,645.64/x
  3. Step 3: Cross multiply
    140,307.41x = 193,629.44 × 76,645.64
  4. Step 4: Simplify right side
    140,307.41x = 14,840,852,351.64
  5. Step 5: Solve for x
    x = 14,840,852,351.64/140,307.41
  6. Step 6: Final answer
    x = 105,773.83

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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.