Home / 100,193.40-150,223.41-60,122.16

Finding the Fourth Proportional to 100,193.40, 150,223.41 and 60,122.16

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Solution

The fourth proportional to 100,193.40, 150,223.41 and 60,122.16 is: 90,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,193.40 : 150,223.41 = 60,122.16 : x
  2. Step 2: Convert to fraction form
    100,193.40/150,223.41 = 60,122.16/x
  3. Step 3: Cross multiply
    100,193.40x = 150,223.41 × 60,122.16
  4. Step 4: Simplify right side
    100,193.40x = 9,031,755,891.77
  5. Step 5: Solve for x
    x = 9,031,755,891.77/100,193.40
  6. Step 6: Final answer
    x = 90,143.22

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1.5x scale

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.