Home / 156,840.40-235,128.33-68,027

Finding the Fourth Proportional to 156,840.40, 235,128.33 and 68,027

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Solution

The fourth proportional to 156,840.40, 235,128.33 and 68,027 is: 101,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,840.40 : 235,128.33 = 68,027 : x
  2. Step 2: Convert to fraction form
    156,840.40/235,128.33 = 68,027/x
  3. Step 3: Cross multiply
    156,840.40x = 235,128.33 × 68,027
  4. Step 4: Simplify right side
    156,840.40x = 15,995,074,904.91
  5. Step 5: Solve for x
    x = 15,995,074,904.91/156,840.40
  6. Step 6: Final answer
    x = 101,983.13

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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.