Home / 356,314.40-491,714.08-195,172.16

Finding the Fourth Proportional to 356,314.40, 491,714.08 and 195,172.16

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Solution

The fourth proportional to 356,314.40, 491,714.08 and 195,172.16 is: 269,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,314.40 : 491,714.08 = 195,172.16 : x
  2. Step 2: Convert to fraction form
    356,314.40/491,714.08 = 195,172.16/x
  3. Step 3: Cross multiply
    356,314.40x = 491,714.08 × 195,172.16
  4. Step 4: Simplify right side
    356,314.40x = 95,968,899,096.01
  5. Step 5: Solve for x
    x = 95,968,899,096.01/356,314.40
  6. Step 6: Final answer
    x = 269,337.69

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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.