Home / 173,144.20-259,716.30-99,211.40

Finding the Fourth Proportional to 173,144.20, 259,716.30 and 99,211.40

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Solution

The fourth proportional to 173,144.20, 259,716.30 and 99,211.40 is: 148,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,144.20 : 259,716.30 = 99,211.40 : x
  2. Step 2: Convert to fraction form
    173,144.20/259,716.30 = 99,211.40/x
  3. Step 3: Cross multiply
    173,144.20x = 259,716.30 × 99,211.40
  4. Step 4: Simplify right side
    173,144.20x = 25,766,817,725.82
  5. Step 5: Solve for x
    x = 25,766,817,725.82/173,144.20
  6. Step 6: Final answer
    x = 148,817.10

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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.