Home / 383,914.18-575,981.88-117,713.92

Finding the Fourth Proportional to 383,914.18, 575,981.88 and 117,713.92

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Solution

The fourth proportional to 383,914.18, 575,981.88 and 117,713.92 is: 176,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,914.18 : 575,981.88 = 117,713.92 : x
  2. Step 2: Convert to fraction form
    383,914.18/575,981.88 = 117,713.92/x
  3. Step 3: Cross multiply
    383,914.18x = 575,981.88 × 117,713.92
  4. Step 4: Simplify right side
    383,914.18x = 67,801,084,943.77
  5. Step 5: Solve for x
    x = 67,801,084,943.77/383,914.18
  6. Step 6: Final answer
    x = 176,604.79

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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.