Home / 327,935.10-491,476.58-147,888.30

Finding the Fourth Proportional to 327,935.10, 491,476.58 and 147,888.30

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Solution

The fourth proportional to 327,935.10, 491,476.58 and 147,888.30 is: 221,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,935.10 : 491,476.58 = 147,888.30 : x
  2. Step 2: Convert to fraction form
    327,935.10/491,476.58 = 147,888.30/x
  3. Step 3: Cross multiply
    327,935.10x = 491,476.58 × 147,888.30
  4. Step 4: Simplify right side
    327,935.10x = 72,683,632,709.19
  5. Step 5: Solve for x
    x = 72,683,632,709.19/327,935.10
  6. Step 6: Final answer
    x = 221,640.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.