Home / 205,137.18-307,607.28-96,976.48

Finding the Fourth Proportional to 205,137.18, 307,607.28 and 96,976.48

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Solution

The fourth proportional to 205,137.18, 307,607.28 and 96,976.48 is: 145,418.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,137.18 : 307,607.28 = 96,976.48 : x
  2. Step 2: Convert to fraction form
    205,137.18/307,607.28 = 96,976.48/x
  3. Step 3: Cross multiply
    205,137.18x = 307,607.28 × 96,976.48
  4. Step 4: Simplify right side
    205,137.18x = 29,830,671,236.77
  5. Step 5: Solve for x
    x = 29,830,671,236.77/205,137.18
  6. Step 6: Final answer
    x = 145,418.16

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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.