Home / 356,314.90-491,714.76-195,172.64

Finding the Fourth Proportional to 356,314.90, 491,714.76 and 195,172.64

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Solution

The fourth proportional to 356,314.90, 491,714.76 and 195,172.64 is: 269,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,314.90 : 491,714.76 = 195,172.64 : x
  2. Step 2: Convert to fraction form
    356,314.90/491,714.76 = 195,172.64/x
  3. Step 3: Cross multiply
    356,314.90x = 491,714.76 × 195,172.64
  4. Step 4: Simplify right side
    356,314.90x = 95,969,267,836.17
  5. Step 5: Solve for x
    x = 95,969,267,836.17/356,314.90
  6. Step 6: Final answer
    x = 269,338.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.