Home / 121,148.44-181,748.55-36,915.33

Finding the Fourth Proportional to 121,148.44, 181,748.55 and 36,915.33

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Solution

The fourth proportional to 121,148.44, 181,748.55 and 36,915.33 is: 55,380.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,148.44 : 181,748.55 = 36,915.33 : x
  2. Step 2: Convert to fraction form
    121,148.44/181,748.55 = 36,915.33/x
  3. Step 3: Cross multiply
    121,148.44x = 181,748.55 × 36,915.33
  4. Step 4: Simplify right side
    121,148.44x = 6,709,307,700.27
  5. Step 5: Solve for x
    x = 6,709,307,700.27/121,148.44
  6. Step 6: Final answer
    x = 55,380.88

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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.