Home / 131,635.07-197,273.69-55,670.47

Finding the Fourth Proportional to 131,635.07, 197,273.69 and 55,670.47

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Solution

The fourth proportional to 131,635.07, 197,273.69 and 55,670.47 is: 83,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.07 : 197,273.69 = 55,670.47 : x
  2. Step 2: Convert to fraction form
    131,635.07/197,273.69 = 55,670.47/x
  3. Step 3: Cross multiply
    131,635.07x = 197,273.69 × 55,670.47
  4. Step 4: Simplify right side
    131,635.07x = 10,982,318,478.16
  5. Step 5: Solve for x
    x = 10,982,318,478.16/131,635.07
  6. Step 6: Final answer
    x = 83,430.03

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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.