Home / 460,754.12-691,082.08-161,240.42

Finding the Fourth Proportional to 460,754.12, 691,082.08 and 161,240.42

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Solution

The fourth proportional to 460,754.12, 691,082.08 and 161,240.42 is: 241,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,754.12 : 691,082.08 = 161,240.42 : x
  2. Step 2: Convert to fraction form
    460,754.12/691,082.08 = 161,240.42/x
  3. Step 3: Cross multiply
    460,754.12x = 691,082.08 × 161,240.42
  4. Step 4: Simplify right side
    460,754.12x = 111,430,366,158.28
  5. Step 5: Solve for x
    x = 111,430,366,158.28/460,754.12
  6. Step 6: Final answer
    x = 241,843.45

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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.