Home / 150,841.84-208,232.49-87,167.20

Finding the Fourth Proportional to 150,841.84, 208,232.49 and 87,167.20

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Solution

The fourth proportional to 150,841.84, 208,232.49 and 87,167.20 is: 120,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,841.84 : 208,232.49 = 87,167.20 : x
  2. Step 2: Convert to fraction form
    150,841.84/208,232.49 = 87,167.20/x
  3. Step 3: Cross multiply
    150,841.84x = 208,232.49 × 87,167.20
  4. Step 4: Simplify right side
    150,841.84x = 18,151,043,102.33
  5. Step 5: Solve for x
    x = 18,151,043,102.33/150,841.84
  6. Step 6: Final answer
    x = 120,331.62

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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.