Home / 132,628.10-198,940.32-57,746.66

Finding the Fourth Proportional to 132,628.10, 198,940.32 and 57,746.66

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Solution

The fourth proportional to 132,628.10, 198,940.32 and 57,746.66 is: 86,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.10 : 198,940.32 = 57,746.66 : x
  2. Step 2: Convert to fraction form
    132,628.10/198,940.32 = 57,746.66/x
  3. Step 3: Cross multiply
    132,628.10x = 198,940.32 × 57,746.66
  4. Step 4: Simplify right side
    132,628.10x = 11,488,138,024.63
  5. Step 5: Solve for x
    x = 11,488,138,024.63/132,628.10
  6. Step 6: Final answer
    x = 86,619.19

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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.