Home / 383,991.16-576,070.94-117,771.64

Finding the Fourth Proportional to 383,991.16, 576,070.94 and 117,771.64

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Solution

The fourth proportional to 383,991.16, 576,070.94 and 117,771.64 is: 176,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,991.16 : 576,070.94 = 117,771.64 : x
  2. Step 2: Convert to fraction form
    383,991.16/576,070.94 = 117,771.64/x
  3. Step 3: Cross multiply
    383,991.16x = 576,070.94 × 117,771.64
  4. Step 4: Simplify right side
    383,991.16x = 67,844,819,360.14
  5. Step 5: Solve for x
    x = 67,844,819,360.14/383,991.16
  6. Step 6: Final answer
    x = 176,683.28

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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.