Home / 279,696.20-385,848.48-189,083.96

Finding the Fourth Proportional to 279,696.20, 385,848.48 and 189,083.96

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Solution

The fourth proportional to 279,696.20, 385,848.48 and 189,083.96 is: 260,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,696.20 : 385,848.48 = 189,083.96 : x
  2. Step 2: Convert to fraction form
    279,696.20/385,848.48 = 189,083.96/x
  3. Step 3: Cross multiply
    279,696.20x = 385,848.48 × 189,083.96
  4. Step 4: Simplify right side
    279,696.20x = 72,957,758,558.38
  5. Step 5: Solve for x
    x = 72,957,758,558.38/279,696.20
  6. Step 6: Final answer
    x = 260,846.44

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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.