Home / 412,665.57-618,956.87-113,176.26

Finding the Fourth Proportional to 412,665.57, 618,956.87 and 113,176.26

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Solution

The fourth proportional to 412,665.57, 618,956.87 and 113,176.26 is: 169,753.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,665.57 : 618,956.87 = 113,176.26 : x
  2. Step 2: Convert to fraction form
    412,665.57/618,956.87 = 113,176.26/x
  3. Step 3: Cross multiply
    412,665.57x = 618,956.87 × 113,176.26
  4. Step 4: Simplify right side
    412,665.57x = 70,051,223,082.02
  5. Step 5: Solve for x
    x = 70,051,223,082.02/412,665.57
  6. Step 6: Final answer
    x = 169,753.01

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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.