Home / 156,500.48-215,936.88-92,859.32

Finding the Fourth Proportional to 156,500.48, 215,936.88 and 92,859.32

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Solution

The fourth proportional to 156,500.48, 215,936.88 and 92,859.32 is: 128,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,500.48 : 215,936.88 = 92,859.32 : x
  2. Step 2: Convert to fraction form
    156,500.48/215,936.88 = 92,859.32/x
  3. Step 3: Cross multiply
    156,500.48x = 215,936.88 × 92,859.32
  4. Step 4: Simplify right side
    156,500.48x = 20,051,751,839.72
  5. Step 5: Solve for x
    x = 20,051,751,839.72/156,500.48
  6. Step 6: Final answer
    x = 128,125.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.