Home / 432,680.20-649,005.72-195,857.26

Finding the Fourth Proportional to 432,680.20, 649,005.72 and 195,857.26

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Solution

The fourth proportional to 432,680.20, 649,005.72 and 195,857.26 is: 293,779.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,680.20 : 649,005.72 = 195,857.26 : x
  2. Step 2: Convert to fraction form
    432,680.20/649,005.72 = 195,857.26/x
  3. Step 3: Cross multiply
    432,680.20x = 649,005.72 × 195,857.26
  4. Step 4: Simplify right side
    432,680.20x = 127,112,482,043.53
  5. Step 5: Solve for x
    x = 127,112,482,043.53/432,680.20
  6. Step 6: Final answer
    x = 293,779.29

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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.