Home / 140,503.01-193,711.10-102,268.78

Finding the Fourth Proportional to 140,503.01, 193,711.10 and 102,268.78

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Solution

The fourth proportional to 140,503.01, 193,711.10 and 102,268.78 is: 140,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,503.01 : 193,711.10 = 102,268.78 : x
  2. Step 2: Convert to fraction form
    140,503.01/193,711.10 = 102,268.78/x
  3. Step 3: Cross multiply
    140,503.01x = 193,711.10 × 102,268.78
  4. Step 4: Simplify right side
    140,503.01x = 19,810,596,873.84
  5. Step 5: Solve for x
    x = 19,810,596,873.84/140,503.01
  6. Step 6: Final answer
    x = 140,997.67

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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.