Home / 100,768.16-151,087.44-48,176.48

Finding the Fourth Proportional to 100,768.16, 151,087.44 and 48,176.48

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Solution

The fourth proportional to 100,768.16, 151,087.44 and 48,176.48 is: 72,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,768.16 : 151,087.44 = 48,176.48 : x
  2. Step 2: Convert to fraction form
    100,768.16/151,087.44 = 48,176.48/x
  3. Step 3: Cross multiply
    100,768.16x = 151,087.44 × 48,176.48
  4. Step 4: Simplify right side
    100,768.16x = 7,278,861,031.41
  5. Step 5: Solve for x
    x = 7,278,861,031.41/100,768.16
  6. Step 6: Final answer
    x = 72,233.74

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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.