Home / 196,825.52-271,541.04-121,242.80

Finding the Fourth Proportional to 196,825.52, 271,541.04 and 121,242.80

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Solution

The fourth proportional to 196,825.52, 271,541.04 and 121,242.80 is: 167,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,825.52 : 271,541.04 = 121,242.80 : x
  2. Step 2: Convert to fraction form
    196,825.52/271,541.04 = 121,242.80/x
  3. Step 3: Cross multiply
    196,825.52x = 271,541.04 × 121,242.80
  4. Step 4: Simplify right side
    196,825.52x = 32,922,396,004.51
  5. Step 5: Solve for x
    x = 32,922,396,004.51/196,825.52
  6. Step 6: Final answer
    x = 167,266.91

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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.