Home / 279,153.62-385,235.25-151,832.18

Finding the Fourth Proportional to 279,153.62, 385,235.25 and 151,832.18

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Solution

The fourth proportional to 279,153.62, 385,235.25 and 151,832.18 is: 209,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,153.62 : 385,235.25 = 151,832.18 : x
  2. Step 2: Convert to fraction form
    279,153.62/385,235.25 = 151,832.18/x
  3. Step 3: Cross multiply
    279,153.62x = 385,235.25 × 151,832.18
  4. Step 4: Simplify right side
    279,153.62x = 58,491,107,820.35
  5. Step 5: Solve for x
    x = 58,491,107,820.35/279,153.62
  6. Step 6: Final answer
    x = 209,530.18

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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.