Home / 279,185.14-385,277.31-151,861.63

Finding the Fourth Proportional to 279,185.14, 385,277.31 and 151,861.63

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Solution

The fourth proportional to 279,185.14, 385,277.31 and 151,861.63 is: 209,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,185.14 : 385,277.31 = 151,861.63 : x
  2. Step 2: Convert to fraction form
    279,185.14/385,277.31 = 151,861.63/x
  3. Step 3: Cross multiply
    279,185.14x = 385,277.31 × 151,861.63
  4. Step 4: Simplify right side
    279,185.14x = 58,508,840,298.62
  5. Step 5: Solve for x
    x = 58,508,840,298.62/279,185.14
  6. Step 6: Final answer
    x = 209,570.04

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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.