Home / 130,719.63-180,351.97-73,350.52

Finding the Fourth Proportional to 130,719.63, 180,351.97 and 73,350.52

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Solution

The fourth proportional to 130,719.63, 180,351.97 and 73,350.52 is: 101,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,719.63 : 180,351.97 = 73,350.52 : x
  2. Step 2: Convert to fraction form
    130,719.63/180,351.97 = 73,350.52/x
  3. Step 3: Cross multiply
    130,719.63x = 180,351.97 × 73,350.52
  4. Step 4: Simplify right side
    130,719.63x = 13,228,910,148.27
  5. Step 5: Solve for x
    x = 13,228,910,148.27/130,719.63
  6. Step 6: Final answer
    x = 101,200.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.