Home / 150,834.84-208,222.83-87,160.20

Finding the Fourth Proportional to 150,834.84, 208,222.83 and 87,160.20

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Solution

The fourth proportional to 150,834.84, 208,222.83 and 87,160.20 is: 120,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,834.84 : 208,222.83 = 87,160.20 : x
  2. Step 2: Convert to fraction form
    150,834.84/208,222.83 = 87,160.20/x
  3. Step 3: Cross multiply
    150,834.84x = 208,222.83 × 87,160.20
  4. Step 4: Simplify right side
    150,834.84x = 18,148,743,507.37
  5. Step 5: Solve for x
    x = 18,148,743,507.37/150,834.84
  6. Step 6: Final answer
    x = 120,321.96

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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.