Home / 193,066.52-266,431.86-117,615.02

Finding the Fourth Proportional to 193,066.52, 266,431.86 and 117,615.02

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Solution

The fourth proportional to 193,066.52, 266,431.86 and 117,615.02 is: 162,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,066.52 : 266,431.86 = 117,615.02 : x
  2. Step 2: Convert to fraction form
    193,066.52/266,431.86 = 117,615.02/x
  3. Step 3: Cross multiply
    193,066.52x = 266,431.86 × 117,615.02
  4. Step 4: Simplify right side
    193,066.52x = 31,336,388,542.54
  5. Step 5: Solve for x
    x = 31,336,388,542.54/193,066.52
  6. Step 6: Final answer
    x = 162,308.77

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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.