Home / 234,856.32-352,323.60-77,042.40

Finding the Fourth Proportional to 234,856.32, 352,323.60 and 77,042.40

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Solution

The fourth proportional to 234,856.32, 352,323.60 and 77,042.40 is: 115,576.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,856.32 : 352,323.60 = 77,042.40 : x
  2. Step 2: Convert to fraction form
    234,856.32/352,323.60 = 77,042.40/x
  3. Step 3: Cross multiply
    234,856.32x = 352,323.60 × 77,042.40
  4. Step 4: Simplify right side
    234,856.32x = 27,143,855,720.64
  5. Step 5: Solve for x
    x = 27,143,855,720.64/234,856.32
  6. Step 6: Final answer
    x = 115,576.43

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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.