Home / 130,757.25-196,165.05-47,651.25

Finding the Fourth Proportional to 130,757.25, 196,165.05 and 47,651.25

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Solution

The fourth proportional to 130,757.25, 196,165.05 and 47,651.25 is: 71,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,757.25 : 196,165.05 = 47,651.25 : x
  2. Step 2: Convert to fraction form
    130,757.25/196,165.05 = 47,651.25/x
  3. Step 3: Cross multiply
    130,757.25x = 196,165.05 × 47,651.25
  4. Step 4: Simplify right side
    130,757.25x = 9,347,509,838.81
  5. Step 5: Solve for x
    x = 9,347,509,838.81/130,757.25
  6. Step 6: Final answer
    x = 71,487.51

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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.