Home / 131,635.51-197,274.34-55,670.91

Finding the Fourth Proportional to 131,635.51, 197,274.34 and 55,670.91

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Solution

The fourth proportional to 131,635.51, 197,274.34 and 55,670.91 is: 83,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,635.51 : 197,274.34 = 55,670.91 : x
  2. Step 2: Convert to fraction form
    131,635.51/197,274.34 = 55,670.91/x
  3. Step 3: Cross multiply
    131,635.51x = 197,274.34 × 55,670.91
  4. Step 4: Simplify right side
    131,635.51x = 10,982,442,027.45
  5. Step 5: Solve for x
    x = 10,982,442,027.45/131,635.51
  6. Step 6: Final answer
    x = 83,430.69

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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.