Home / 140,062.41-193,278.35-79,624.67

Finding the Fourth Proportional to 140,062.41, 193,278.35 and 79,624.67

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Solution

The fourth proportional to 140,062.41, 193,278.35 and 79,624.67 is: 109,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,062.41 : 193,278.35 = 79,624.67 : x
  2. Step 2: Convert to fraction form
    140,062.41/193,278.35 = 79,624.67/x
  3. Step 3: Cross multiply
    140,062.41x = 193,278.35 × 79,624.67
  4. Step 4: Simplify right side
    140,062.41x = 15,389,724,069.56
  5. Step 5: Solve for x
    x = 15,389,724,069.56/140,062.41
  6. Step 6: Final answer
    x = 109,877.62

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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.