Home / 234,056.76-351,178.09-76,286.58

Finding the Fourth Proportional to 234,056.76, 351,178.09 and 76,286.58

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Solution

The fourth proportional to 234,056.76, 351,178.09 and 76,286.58 is: 114,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,056.76 : 351,178.09 = 76,286.58 : x
  2. Step 2: Convert to fraction form
    234,056.76/351,178.09 = 76,286.58/x
  3. Step 3: Cross multiply
    234,056.76x = 351,178.09 × 76,286.58
  4. Step 4: Simplify right side
    234,056.76x = 26,790,175,266.32
  5. Step 5: Solve for x
    x = 26,790,175,266.32/234,056.76
  6. Step 6: Final answer
    x = 114,460.16

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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.