Home / 132,976.04-183,524-76,398.36

Finding the Fourth Proportional to 132,976.04, 183,524 and 76,398.36

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Solution

The fourth proportional to 132,976.04, 183,524 and 76,398.36 is: 105,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,976.04 : 183,524 = 76,398.36 : x
  2. Step 2: Convert to fraction form
    132,976.04/183,524 = 76,398.36/x
  3. Step 3: Cross multiply
    132,976.04x = 183,524 × 76,398.36
  4. Step 4: Simplify right side
    132,976.04x = 14,020,932,620.64
  5. Step 5: Solve for x
    x = 14,020,932,620.64/132,976.04
  6. Step 6: Final answer
    x = 105,439.54

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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.