Home / 131,199.06-196,799.13-36,436.71

Finding the Fourth Proportional to 131,199.06, 196,799.13 and 36,436.71

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Solution

The fourth proportional to 131,199.06, 196,799.13 and 36,436.71 is: 54,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,199.06 : 196,799.13 = 36,436.71 : x
  2. Step 2: Convert to fraction form
    131,199.06/196,799.13 = 36,436.71/x
  3. Step 3: Cross multiply
    131,199.06x = 196,799.13 × 36,436.71
  4. Step 4: Simplify right side
    131,199.06x = 7,170,712,828.06
  5. Step 5: Solve for x
    x = 7,170,712,828.06/131,199.06
  6. Step 6: Final answer
    x = 54,655.21

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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.