Home / 279,557.44-385,522.14-187,883.80

Finding the Fourth Proportional to 279,557.44, 385,522.14 and 187,883.80

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Solution

The fourth proportional to 279,557.44, 385,522.14 and 187,883.80 is: 259,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,557.44 : 385,522.14 = 187,883.80 : x
  2. Step 2: Convert to fraction form
    279,557.44/385,522.14 = 187,883.80/x
  3. Step 3: Cross multiply
    279,557.44x = 385,522.14 × 187,883.80
  4. Step 4: Simplify right side
    279,557.44x = 72,433,364,647.33
  5. Step 5: Solve for x
    x = 72,433,364,647.33/279,557.44
  6. Step 6: Final answer
    x = 259,100.11

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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.