Home / 150,915.14-208,217.48-90,463.73

Finding the Fourth Proportional to 150,915.14, 208,217.48 and 90,463.73

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Solution

The fourth proportional to 150,915.14, 208,217.48 and 90,463.73 is: 124,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,915.14 : 208,217.48 = 90,463.73 : x
  2. Step 2: Convert to fraction form
    150,915.14/208,217.48 = 90,463.73/x
  3. Step 3: Cross multiply
    150,915.14x = 208,217.48 × 90,463.73
  4. Step 4: Simplify right side
    150,915.14x = 18,836,129,145.30
  5. Step 5: Solve for x
    x = 18,836,129,145.30/150,915.14
  6. Step 6: Final answer
    x = 124,812.72

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1.5x scale

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.