Home / 319,675.20-479,459.04-117,229.44

Finding the Fourth Proportional to 319,675.20, 479,459.04 and 117,229.44

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Solution

The fourth proportional to 319,675.20, 479,459.04 and 117,229.44 is: 175,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,675.20 : 479,459.04 = 117,229.44 : x
  2. Step 2: Convert to fraction form
    319,675.20/479,459.04 = 117,229.44/x
  3. Step 3: Cross multiply
    319,675.20x = 479,459.04 × 117,229.44
  4. Step 4: Simplify right side
    319,675.20x = 56,206,714,762.14
  5. Step 5: Solve for x
    x = 56,206,714,762.14/319,675.20
  6. Step 6: Final answer
    x = 175,824.45

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1.5x scale

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.