Home / 272,888.22-376,441.59-187,857.66

Finding the Fourth Proportional to 272,888.22, 376,441.59 and 187,857.66

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Solution

The fourth proportional to 272,888.22, 376,441.59 and 187,857.66 is: 259,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,888.22 : 376,441.59 = 187,857.66 : x
  2. Step 2: Convert to fraction form
    272,888.22/376,441.59 = 187,857.66/x
  3. Step 3: Cross multiply
    272,888.22x = 376,441.59 × 187,857.66
  4. Step 4: Simplify right side
    272,888.22x = 70,717,436,224.08
  5. Step 5: Solve for x
    x = 70,717,436,224.08/272,888.22
  6. Step 6: Final answer
    x = 259,144.33

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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.