Home / 131,455.08-197,215.88-36,685.25

Finding the Fourth Proportional to 131,455.08, 197,215.88 and 36,685.25

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Solution

The fourth proportional to 131,455.08, 197,215.88 and 36,685.25 is: 55,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.08 : 197,215.88 = 36,685.25 : x
  2. Step 2: Convert to fraction form
    131,455.08/197,215.88 = 36,685.25/x
  3. Step 3: Cross multiply
    131,455.08x = 197,215.88 × 36,685.25
  4. Step 4: Simplify right side
    131,455.08x = 7,234,914,446.52
  5. Step 5: Solve for x
    x = 7,234,914,446.52/131,455.08
  6. Step 6: Final answer
    x = 55,037.16

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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.