Home / 131,442.03-197,191.94-42,704.91

Finding the Fourth Proportional to 131,442.03, 197,191.94 and 42,704.91

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Solution

The fourth proportional to 131,442.03, 197,191.94 and 42,704.91 is: 64,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.03 : 197,191.94 = 42,704.91 : x
  2. Step 2: Convert to fraction form
    131,442.03/197,191.94 = 42,704.91/x
  3. Step 3: Cross multiply
    131,442.03x = 197,191.94 × 42,704.91
  4. Step 4: Simplify right side
    131,442.03x = 8,421,063,836.90
  5. Step 5: Solve for x
    x = 8,421,063,836.90/131,442.03
  6. Step 6: Final answer
    x = 64,066.75

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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.