Home / 115,933.30-173,899.95-100,186.90

Finding the Fourth Proportional to 115,933.30, 173,899.95 and 100,186.90

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Solution

The fourth proportional to 115,933.30, 173,899.95 and 100,186.90 is: 150,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,933.30 : 173,899.95 = 100,186.90 : x
  2. Step 2: Convert to fraction form
    115,933.30/173,899.95 = 100,186.90/x
  3. Step 3: Cross multiply
    115,933.30x = 173,899.95 × 100,186.90
  4. Step 4: Simplify right side
    115,933.30x = 17,422,496,900.66
  5. Step 5: Solve for x
    x = 17,422,496,900.66/115,933.30
  6. Step 6: Final answer
    x = 150,280.35

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Similar ratio
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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.