Home / 356,276.22-491,666.43-195,146.28

Finding the Fourth Proportional to 356,276.22, 491,666.43 and 195,146.28

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Solution

The fourth proportional to 356,276.22, 491,666.43 and 195,146.28 is: 269,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,276.22 : 491,666.43 = 195,146.28 : x
  2. Step 2: Convert to fraction form
    356,276.22/491,666.43 = 195,146.28/x
  3. Step 3: Cross multiply
    356,276.22x = 491,666.43 × 195,146.28
  4. Step 4: Simplify right side
    356,276.22x = 95,946,874,815.38
  5. Step 5: Solve for x
    x = 95,946,874,815.38/356,276.22
  6. Step 6: Final answer
    x = 269,304.74

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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.