Home / 436,129.76-653,981.41-179,914.61

Finding the Fourth Proportional to 436,129.76, 653,981.41 and 179,914.61

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Solution

The fourth proportional to 436,129.76, 653,981.41 and 179,914.61 is: 269,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,129.76 : 653,981.41 = 179,914.61 : x
  2. Step 2: Convert to fraction form
    436,129.76/653,981.41 = 179,914.61/x
  3. Step 3: Cross multiply
    436,129.76x = 653,981.41 × 179,914.61
  4. Step 4: Simplify right side
    436,129.76x = 117,660,810,327.40
  5. Step 5: Solve for x
    x = 117,660,810,327.40/436,129.76
  6. Step 6: Final answer
    x = 269,783.95

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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.