Home / 481,174.40-721,558.92-144,263.36

Finding the Fourth Proportional to 481,174.40, 721,558.92 and 144,263.36

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Solution

The fourth proportional to 481,174.40, 721,558.92 and 144,263.36 is: 216,334.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,174.40 : 721,558.92 = 144,263.36 : x
  2. Step 2: Convert to fraction form
    481,174.40/721,558.92 = 144,263.36/x
  3. Step 3: Cross multiply
    481,174.40x = 721,558.92 × 144,263.36
  4. Step 4: Simplify right side
    481,174.40x = 104,094,514,237.17
  5. Step 5: Solve for x
    x = 104,094,514,237.17/481,174.40
  6. Step 6: Final answer
    x = 216,334.27

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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.