Home / 234,170.20-351,253.86-76,398.76

Finding the Fourth Proportional to 234,170.20, 351,253.86 and 76,398.76

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Solution

The fourth proportional to 234,170.20, 351,253.86 and 76,398.76 is: 114,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,170.20 : 351,253.86 = 76,398.76 : x
  2. Step 2: Convert to fraction form
    234,170.20/351,253.86 = 76,398.76/x
  3. Step 3: Cross multiply
    234,170.20x = 351,253.86 × 76,398.76
  4. Step 4: Simplify right side
    234,170.20x = 26,835,359,349.21
  5. Step 5: Solve for x
    x = 26,835,359,349.21/234,170.20
  6. Step 6: Final answer
    x = 114,597.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.