Home / 131,807.40-197,670.20-47,556.62

Finding the Fourth Proportional to 131,807.40, 197,670.20 and 47,556.62

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Solution

The fourth proportional to 131,807.40, 197,670.20 and 47,556.62 is: 71,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.40 : 197,670.20 = 47,556.62 : x
  2. Step 2: Convert to fraction form
    131,807.40/197,670.20 = 47,556.62/x
  3. Step 3: Cross multiply
    131,807.40x = 197,670.20 × 47,556.62
  4. Step 4: Simplify right side
    131,807.40x = 9,400,526,586.72
  5. Step 5: Solve for x
    x = 9,400,526,586.72/131,807.40
  6. Step 6: Final answer
    x = 71,320.17

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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.