Home / 131,171.32-196,640.10-48,045.88

Finding the Fourth Proportional to 131,171.32, 196,640.10 and 48,045.88

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Solution

The fourth proportional to 131,171.32, 196,640.10 and 48,045.88 is: 72,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,171.32 : 196,640.10 = 48,045.88 : x
  2. Step 2: Convert to fraction form
    131,171.32/196,640.10 = 48,045.88/x
  3. Step 3: Cross multiply
    131,171.32x = 196,640.10 × 48,045.88
  4. Step 4: Simplify right side
    131,171.32x = 9,447,746,647.79
  5. Step 5: Solve for x
    x = 9,447,746,647.79/131,171.32
  6. Step 6: Final answer
    x = 72,026.01

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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.