Home / 264,970.20-397,196.10-106,987.80

Finding the Fourth Proportional to 264,970.20, 397,196.10 and 106,987.80

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Solution

The fourth proportional to 264,970.20, 397,196.10 and 106,987.80 is: 160,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,970.20 : 397,196.10 = 106,987.80 : x
  2. Step 2: Convert to fraction form
    264,970.20/397,196.10 = 106,987.80/x
  3. Step 3: Cross multiply
    264,970.20x = 397,196.10 × 106,987.80
  4. Step 4: Simplify right side
    264,970.20x = 42,495,136,907.58
  5. Step 5: Solve for x
    x = 42,495,136,907.58/264,970.20
  6. Step 6: Final answer
    x = 160,377.04

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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.