Home / 124,861.37-187,698.06-100,171.55

Finding the Fourth Proportional to 124,861.37, 187,698.06 and 100,171.55

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Solution

The fourth proportional to 124,861.37, 187,698.06 and 100,171.55 is: 150,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,861.37 : 187,698.06 = 100,171.55 : x
  2. Step 2: Convert to fraction form
    124,861.37/187,698.06 = 100,171.55/x
  3. Step 3: Cross multiply
    124,861.37x = 187,698.06 × 100,171.55
  4. Step 4: Simplify right side
    124,861.37x = 18,802,006,071.44
  5. Step 5: Solve for x
    x = 18,802,006,071.44/124,861.37
  6. Step 6: Final answer
    x = 150,583.06

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1.5x scale

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.