Home / 121,291.94-166,170.54-116,746.58

Finding the Fourth Proportional to 121,291.94, 166,170.54 and 116,746.58

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Solution

The fourth proportional to 121,291.94, 166,170.54 and 116,746.58 is: 159,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291.94 : 166,170.54 = 116,746.58 : x
  2. Step 2: Convert to fraction form
    121,291.94/166,170.54 = 116,746.58/x
  3. Step 3: Cross multiply
    121,291.94x = 166,170.54 × 116,746.58
  4. Step 4: Simplify right side
    121,291.94x = 19,399,841,658.02
  5. Step 5: Solve for x
    x = 19,399,841,658.02/121,291.94
  6. Step 6: Final answer
    x = 159,943.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.