Home / 150,192.08-207,311.16-86,572.20

Finding the Fourth Proportional to 150,192.08, 207,311.16 and 86,572.20

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Solution

The fourth proportional to 150,192.08, 207,311.16 and 86,572.20 is: 119,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,192.08 : 207,311.16 = 86,572.20 : x
  2. Step 2: Convert to fraction form
    150,192.08/207,311.16 = 86,572.20/x
  3. Step 3: Cross multiply
    150,192.08x = 207,311.16 × 86,572.20
  4. Step 4: Simplify right side
    150,192.08x = 17,947,383,205.75
  5. Step 5: Solve for x
    x = 17,947,383,205.75/150,192.08
  6. Step 6: Final answer
    x = 119,496.20

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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.