Home / 351,728.46-485,383.59-190,583.42

Finding the Fourth Proportional to 351,728.46, 485,383.59 and 190,583.42

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Solution

The fourth proportional to 351,728.46, 485,383.59 and 190,583.42 is: 263,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,728.46 : 485,383.59 = 190,583.42 : x
  2. Step 2: Convert to fraction form
    351,728.46/485,383.59 = 190,583.42/x
  3. Step 3: Cross multiply
    351,728.46x = 485,383.59 × 190,583.42
  4. Step 4: Simplify right side
    351,728.46x = 92,506,062,167.16
  5. Step 5: Solve for x
    x = 92,506,062,167.16/351,728.46
  6. Step 6: Final answer
    x = 263,004.20

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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.