Home / 234,580.32-351,936-76,919.76

Finding the Fourth Proportional to 234,580.32, 351,936 and 76,919.76

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Solution

The fourth proportional to 234,580.32, 351,936 and 76,919.76 is: 115,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,580.32 : 351,936 = 76,919.76 : x
  2. Step 2: Convert to fraction form
    234,580.32/351,936 = 76,919.76/x
  3. Step 3: Cross multiply
    234,580.32x = 351,936 × 76,919.76
  4. Step 4: Simplify right side
    234,580.32x = 27,070,832,655.36
  5. Step 5: Solve for x
    x = 27,070,832,655.36/234,580.32
  6. Step 6: Final answer
    x = 115,401.12

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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.