Home / 99,491.04-148,503.96-91,180.44

Finding the Fourth Proportional to 99,491.04, 148,503.96 and 91,180.44

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Solution

The fourth proportional to 99,491.04, 148,503.96 and 91,180.44 is: 136,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,491.04 : 148,503.96 = 91,180.44 : x
  2. Step 2: Convert to fraction form
    99,491.04/148,503.96 = 91,180.44/x
  3. Step 3: Cross multiply
    99,491.04x = 148,503.96 × 91,180.44
  4. Step 4: Simplify right side
    99,491.04x = 13,540,656,414.54
  5. Step 5: Solve for x
    x = 13,540,656,414.54/99,491.04
  6. Step 6: Final answer
    x = 136,099.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.