Home / 130,976.64-196,325.07-74,695.56

Finding the Fourth Proportional to 130,976.64, 196,325.07 and 74,695.56

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Solution

The fourth proportional to 130,976.64, 196,325.07 and 74,695.56 is: 111,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,976.64 : 196,325.07 = 74,695.56 : x
  2. Step 2: Convert to fraction form
    130,976.64/196,325.07 = 74,695.56/x
  3. Step 3: Cross multiply
    130,976.64x = 196,325.07 × 74,695.56
  4. Step 4: Simplify right side
    130,976.64x = 14,664,611,211.77
  5. Step 5: Solve for x
    x = 14,664,611,211.77/130,976.64
  6. Step 6: Final answer
    x = 111,963.56

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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.