Home / 279,111.27-385,169.94-151,784.13

Finding the Fourth Proportional to 279,111.27, 385,169.94 and 151,784.13

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Solution

The fourth proportional to 279,111.27, 385,169.94 and 151,784.13 is: 209,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,111.27 : 385,169.94 = 151,784.13 : x
  2. Step 2: Convert to fraction form
    279,111.27/385,169.94 = 151,784.13/x
  3. Step 3: Cross multiply
    279,111.27x = 385,169.94 × 151,784.13
  4. Step 4: Simplify right side
    279,111.27x = 58,462,684,245.05
  5. Step 5: Solve for x
    x = 58,462,684,245.05/279,111.27
  6. Step 6: Final answer
    x = 209,460.13

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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.