Home / 130,756.75-196,164.29-47,650.75

Finding the Fourth Proportional to 130,756.75, 196,164.29 and 47,650.75

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Solution

The fourth proportional to 130,756.75, 196,164.29 and 47,650.75 is: 71,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,756.75 : 196,164.29 = 47,650.75 : x
  2. Step 2: Convert to fraction form
    130,756.75/196,164.29 = 47,650.75/x
  3. Step 3: Cross multiply
    130,756.75x = 196,164.29 × 47,650.75
  4. Step 4: Simplify right side
    130,756.75x = 9,347,375,541.72
  5. Step 5: Solve for x
    x = 9,347,375,541.72/130,756.75
  6. Step 6: Final answer
    x = 71,486.75

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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.