Home / 196,670.09-294,781.88-172,931.69

Finding the Fourth Proportional to 196,670.09, 294,781.88 and 172,931.69

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Solution

The fourth proportional to 196,670.09, 294,781.88 and 172,931.69 is: 259,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,670.09 : 294,781.88 = 172,931.69 : x
  2. Step 2: Convert to fraction form
    196,670.09/294,781.88 = 172,931.69/x
  3. Step 3: Cross multiply
    196,670.09x = 294,781.88 × 172,931.69
  4. Step 4: Simplify right side
    196,670.09x = 50,977,129,859.06
  5. Step 5: Solve for x
    x = 50,977,129,859.06/196,670.09
  6. Step 6: Final answer
    x = 259,201.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.