Home / 143,534.48-215,229.36-43,675.52

Finding the Fourth Proportional to 143,534.48, 215,229.36 and 43,675.52

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Solution

The fourth proportional to 143,534.48, 215,229.36 and 43,675.52 is: 65,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,534.48 : 215,229.36 = 43,675.52 : x
  2. Step 2: Convert to fraction form
    143,534.48/215,229.36 = 43,675.52/x
  3. Step 3: Cross multiply
    143,534.48x = 215,229.36 × 43,675.52
  4. Step 4: Simplify right side
    143,534.48x = 9,400,254,217.27
  5. Step 5: Solve for x
    x = 9,400,254,217.27/143,534.48
  6. Step 6: Final answer
    x = 65,491.26

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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.