Home / 397,701.62-596,466.03-131,399.06

Finding the Fourth Proportional to 397,701.62, 596,466.03 and 131,399.06

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Solution

The fourth proportional to 397,701.62, 596,466.03 and 131,399.06 is: 197,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,701.62 : 596,466.03 = 131,399.06 : x
  2. Step 2: Convert to fraction form
    397,701.62/596,466.03 = 131,399.06/x
  3. Step 3: Cross multiply
    397,701.62x = 596,466.03 × 131,399.06
  4. Step 4: Simplify right side
    397,701.62x = 78,375,075,663.93
  5. Step 5: Solve for x
    x = 78,375,075,663.93/397,701.62
  6. Step 6: Final answer
    x = 197,070.04

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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.