Home / 132,664.92-183,078.86-76,065.36

Finding the Fourth Proportional to 132,664.92, 183,078.86 and 76,065.36

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Solution

The fourth proportional to 132,664.92, 183,078.86 and 76,065.36 is: 104,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,664.92 : 183,078.86 = 76,065.36 : x
  2. Step 2: Convert to fraction form
    132,664.92/183,078.86 = 76,065.36/x
  3. Step 3: Cross multiply
    132,664.92x = 183,078.86 × 76,065.36
  4. Step 4: Simplify right side
    132,664.92x = 13,925,959,394.29
  5. Step 5: Solve for x
    x = 13,925,959,394.29/132,664.92
  6. Step 6: Final answer
    x = 104,970.93

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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.