Home / 130,747.51-196,120.83-73,795.60

Finding the Fourth Proportional to 130,747.51, 196,120.83 and 73,795.60

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Solution

The fourth proportional to 130,747.51, 196,120.83 and 73,795.60 is: 110,693.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,747.51 : 196,120.83 = 73,795.60 : x
  2. Step 2: Convert to fraction form
    130,747.51/196,120.83 = 73,795.60/x
  3. Step 3: Cross multiply
    130,747.51x = 196,120.83 × 73,795.60
  4. Step 4: Simplify right side
    130,747.51x = 14,472,853,832.05
  5. Step 5: Solve for x
    x = 14,472,853,832.05/130,747.51
  6. Step 6: Final answer
    x = 110,693.15

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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.