Home / 187,858.11-259,492.65-140,028.42

Finding the Fourth Proportional to 187,858.11, 259,492.65 and 140,028.42

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Solution

The fourth proportional to 187,858.11, 259,492.65 and 140,028.42 is: 193,424.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,858.11 : 259,492.65 = 140,028.42 : x
  2. Step 2: Convert to fraction form
    187,858.11/259,492.65 = 140,028.42/x
  3. Step 3: Cross multiply
    187,858.11x = 259,492.65 × 140,028.42
  4. Step 4: Simplify right side
    187,858.11x = 36,336,345,781.11
  5. Step 5: Solve for x
    x = 36,336,345,781.11/187,858.11
  6. Step 6: Final answer
    x = 193,424.42

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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.