Home / 156,718.32-235,027.56-51,512.96

Finding the Fourth Proportional to 156,718.32, 235,027.56 and 51,512.96

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Solution

The fourth proportional to 156,718.32, 235,027.56 and 51,512.96 is: 77,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,718.32 : 235,027.56 = 51,512.96 : x
  2. Step 2: Convert to fraction form
    156,718.32/235,027.56 = 51,512.96/x
  3. Step 3: Cross multiply
    156,718.32x = 235,027.56 × 51,512.96
  4. Step 4: Simplify right side
    156,718.32x = 12,106,965,297.18
  5. Step 5: Solve for x
    x = 12,106,965,297.18/156,718.32
  6. Step 6: Final answer
    x = 77,253.03

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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.