Home / 382,845.20-574,390.20-116,656.40

Finding the Fourth Proportional to 382,845.20, 574,390.20 and 116,656.40

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Solution

The fourth proportional to 382,845.20, 574,390.20 and 116,656.40 is: 175,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,845.20 : 574,390.20 = 116,656.40 : x
  2. Step 2: Convert to fraction form
    382,845.20/574,390.20 = 116,656.40/x
  3. Step 3: Cross multiply
    382,845.20x = 574,390.20 × 116,656.40
  4. Step 4: Simplify right side
    382,845.20x = 67,006,292,927.28
  5. Step 5: Solve for x
    x = 67,006,292,927.28/382,845.20
  6. Step 6: Final answer
    x = 175,021.90

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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.