Home / 135,670.41-187,186.98-106,900.89

Finding the Fourth Proportional to 135,670.41, 187,186.98 and 106,900.89

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Solution

The fourth proportional to 135,670.41, 187,186.98 and 106,900.89 is: 147,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,670.41 : 187,186.98 = 106,900.89 : x
  2. Step 2: Convert to fraction form
    135,670.41/187,186.98 = 106,900.89/x
  3. Step 3: Cross multiply
    135,670.41x = 187,186.98 × 106,900.89
  4. Step 4: Simplify right side
    135,670.41x = 20,010,454,758.41
  5. Step 5: Solve for x
    x = 20,010,454,758.41/135,670.41
  6. Step 6: Final answer
    x = 147,493.14

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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.