Home / 139,994.46-193,196.34-76,335.75

Finding the Fourth Proportional to 139,994.46, 193,196.34 and 76,335.75

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Solution

The fourth proportional to 139,994.46, 193,196.34 and 76,335.75 is: 105,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,994.46 : 193,196.34 = 76,335.75 : x
  2. Step 2: Convert to fraction form
    139,994.46/193,196.34 = 76,335.75/x
  3. Step 3: Cross multiply
    139,994.46x = 193,196.34 × 76,335.75
  4. Step 4: Simplify right side
    139,994.46x = 14,747,787,511.16
  5. Step 5: Solve for x
    x = 14,747,787,511.16/139,994.46
  6. Step 6: Final answer
    x = 105,345.51

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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.