Home / 121,455.25-167,481.07-104,516.93

Finding the Fourth Proportional to 121,455.25, 167,481.07 and 104,516.93

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Solution

The fourth proportional to 121,455.25, 167,481.07 and 104,516.93 is: 144,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,455.25 : 167,481.07 = 104,516.93 : x
  2. Step 2: Convert to fraction form
    121,455.25/167,481.07 = 104,516.93/x
  3. Step 3: Cross multiply
    121,455.25x = 167,481.07 × 104,516.93
  4. Step 4: Simplify right side
    121,455.25x = 17,504,607,426.93
  5. Step 5: Solve for x
    x = 17,504,607,426.93/121,455.25
  6. Step 6: Final answer
    x = 144,123.93

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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.