Home / 140,286.11-193,595.83-76,623.89

Finding the Fourth Proportional to 140,286.11, 193,595.83 and 76,623.89

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Solution

The fourth proportional to 140,286.11, 193,595.83 and 76,623.89 is: 105,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.11 : 193,595.83 = 76,623.89 : x
  2. Step 2: Convert to fraction form
    140,286.11/193,595.83 = 76,623.89/x
  3. Step 3: Cross multiply
    140,286.11x = 193,595.83 × 76,623.89
  4. Step 4: Simplify right side
    140,286.11x = 14,834,064,422.84
  5. Step 5: Solve for x
    x = 14,834,064,422.84/140,286.11
  6. Step 6: Final answer
    x = 105,741.51

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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.