Home / 402,310.20-603,546.30-118,000.20

Finding the Fourth Proportional to 402,310.20, 603,546.30 and 118,000.20

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Solution

The fourth proportional to 402,310.20, 603,546.30 and 118,000.20 is: 177,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,310.20 : 603,546.30 = 118,000.20 : x
  2. Step 2: Convert to fraction form
    402,310.20/603,546.30 = 118,000.20/x
  3. Step 3: Cross multiply
    402,310.20x = 603,546.30 × 118,000.20
  4. Step 4: Simplify right side
    402,310.20x = 71,218,584,109.26
  5. Step 5: Solve for x
    x = 71,218,584,109.26/402,310.20
  6. Step 6: Final answer
    x = 177,024.06

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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.