Home / 142,049.70-196,093.10-91,081.67

Finding the Fourth Proportional to 142,049.70, 196,093.10 and 91,081.67

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Solution

The fourth proportional to 142,049.70, 196,093.10 and 91,081.67 is: 125,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,049.70 : 196,093.10 = 91,081.67 : x
  2. Step 2: Convert to fraction form
    142,049.70/196,093.10 = 91,081.67/x
  3. Step 3: Cross multiply
    142,049.70x = 196,093.10 × 91,081.67
  4. Step 4: Simplify right side
    142,049.70x = 17,860,486,270.72
  5. Step 5: Solve for x
    x = 17,860,486,270.72/142,049.70
  6. Step 6: Final answer
    x = 125,734.07

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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.