Home / 171,862.58-237,117.21-100,191.88

Finding the Fourth Proportional to 171,862.58, 237,117.21 and 100,191.88

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Solution

The fourth proportional to 171,862.58, 237,117.21 and 100,191.88 is: 138,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,862.58 : 237,117.21 = 100,191.88 : x
  2. Step 2: Convert to fraction form
    171,862.58/237,117.21 = 100,191.88/x
  3. Step 3: Cross multiply
    171,862.58x = 237,117.21 × 100,191.88
  4. Step 4: Simplify right side
    171,862.58x = 23,757,217,864.67
  5. Step 5: Solve for x
    x = 23,757,217,864.67/171,862.58
  6. Step 6: Final answer
    x = 138,233.80

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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.