Home / 130,764.24-180,452.07-73,404.90

Finding the Fourth Proportional to 130,764.24, 180,452.07 and 73,404.90

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Solution

The fourth proportional to 130,764.24, 180,452.07 and 73,404.90 is: 101,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,764.24 : 180,452.07 = 73,404.90 : x
  2. Step 2: Convert to fraction form
    130,764.24/180,452.07 = 73,404.90/x
  3. Step 3: Cross multiply
    130,764.24x = 180,452.07 × 73,404.90
  4. Step 4: Simplify right side
    130,764.24x = 13,246,066,153.14
  5. Step 5: Solve for x
    x = 13,246,066,153.14/130,764.24
  6. Step 6: Final answer
    x = 101,297.31

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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.