Home / 196,988.66-271,854.53-120,483.75

Finding the Fourth Proportional to 196,988.66, 271,854.53 and 120,483.75

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Solution

The fourth proportional to 196,988.66, 271,854.53 and 120,483.75 is: 166,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,988.66 : 271,854.53 = 120,483.75 : x
  2. Step 2: Convert to fraction form
    196,988.66/271,854.53 = 120,483.75/x
  3. Step 3: Cross multiply
    196,988.66x = 271,854.53 × 120,483.75
  4. Step 4: Simplify right side
    196,988.66x = 32,754,054,097.74
  5. Step 5: Solve for x
    x = 32,754,054,097.74/196,988.66
  6. Step 6: Final answer
    x = 166,273.81

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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.