Home / 117,940.48-162,731.52-98,897.28

Finding the Fourth Proportional to 117,940.48, 162,731.52 and 98,897.28

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Solution

The fourth proportional to 117,940.48, 162,731.52 and 98,897.28 is: 136,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,940.48 : 162,731.52 = 98,897.28 : x
  2. Step 2: Convert to fraction form
    117,940.48/162,731.52 = 98,897.28/x
  3. Step 3: Cross multiply
    117,940.48x = 162,731.52 × 98,897.28
  4. Step 4: Simplify right side
    117,940.48x = 16,093,704,698.27
  5. Step 5: Solve for x
    x = 16,093,704,698.27/117,940.48
  6. Step 6: Final answer
    x = 136,456.16

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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.