Home / 173,278.20-259,722.90-89,005.80

Finding the Fourth Proportional to 173,278.20, 259,722.90 and 89,005.80

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Solution

The fourth proportional to 173,278.20, 259,722.90 and 89,005.80 is: 133,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,278.20 : 259,722.90 = 89,005.80 : x
  2. Step 2: Convert to fraction form
    173,278.20/259,722.90 = 89,005.80/x
  3. Step 3: Cross multiply
    173,278.20x = 259,722.90 × 89,005.80
  4. Step 4: Simplify right side
    173,278.20x = 23,116,844,492.82
  5. Step 5: Solve for x
    x = 23,116,844,492.82/173,278.20
  6. Step 6: Final answer
    x = 133,408.84

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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.