Home / 249,879.22-374,818.52-81,399.27

Finding the Fourth Proportional to 249,879.22, 374,818.52 and 81,399.27

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Solution

The fourth proportional to 249,879.22, 374,818.52 and 81,399.27 is: 122,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,879.22 : 374,818.52 = 81,399.27 : x
  2. Step 2: Convert to fraction form
    249,879.22/374,818.52 = 81,399.27/x
  3. Step 3: Cross multiply
    249,879.22x = 374,818.52 × 81,399.27
  4. Step 4: Simplify right side
    249,879.22x = 30,509,953,910.48
  5. Step 5: Solve for x
    x = 30,509,953,910.48/249,879.22
  6. Step 6: Final answer
    x = 122,098.81

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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.