Home / 279,157.02-385,233.80-151,832.58

Finding the Fourth Proportional to 279,157.02, 385,233.80 and 151,832.58

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Solution

The fourth proportional to 279,157.02, 385,233.80 and 151,832.58 is: 209,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,157.02 : 385,233.80 = 151,832.58 : x
  2. Step 2: Convert to fraction form
    279,157.02/385,233.80 = 151,832.58/x
  3. Step 3: Cross multiply
    279,157.02x = 385,233.80 × 151,832.58
  4. Step 4: Simplify right side
    279,157.02x = 58,491,041,757.20
  5. Step 5: Solve for x
    x = 58,491,041,757.20/279,157.02
  6. Step 6: Final answer
    x = 209,527.39

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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.