Home / 171,862.08-237,116.52-100,191.37

Finding the Fourth Proportional to 171,862.08, 237,116.52 and 100,191.37

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Solution

The fourth proportional to 171,862.08, 237,116.52 and 100,191.37 is: 138,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,862.08 : 237,116.52 = 100,191.37 : x
  2. Step 2: Convert to fraction form
    171,862.08/237,116.52 = 100,191.37/x
  3. Step 3: Cross multiply
    171,862.08x = 237,116.52 × 100,191.37
  4. Step 4: Simplify right side
    171,862.08x = 23,757,028,988.43
  5. Step 5: Solve for x
    x = 23,757,028,988.43/171,862.08
  6. Step 6: Final answer
    x = 138,233.11

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1.5x scale

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.