Home / 356,066.10-491,382.84-194,921.16

Finding the Fourth Proportional to 356,066.10, 491,382.84 and 194,921.16

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Solution

The fourth proportional to 356,066.10, 491,382.84 and 194,921.16 is: 268,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,066.10 : 491,382.84 = 194,921.16 : x
  2. Step 2: Convert to fraction form
    356,066.10/491,382.84 = 194,921.16/x
  3. Step 3: Cross multiply
    356,066.10x = 491,382.84 × 194,921.16
  4. Step 4: Simplify right side
    356,066.10x = 95,780,913,176.89
  5. Step 5: Solve for x
    x = 95,780,913,176.89/356,066.10
  6. Step 6: Final answer
    x = 268,997.56

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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.