Home / 279,154.62-385,236.63-151,833.18

Finding the Fourth Proportional to 279,154.62, 385,236.63 and 151,833.18

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Solution

The fourth proportional to 279,154.62, 385,236.63 and 151,833.18 is: 209,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,154.62 : 385,236.63 = 151,833.18 : x
  2. Step 2: Convert to fraction form
    279,154.62/385,236.63 = 151,833.18/x
  3. Step 3: Cross multiply
    279,154.62x = 385,236.63 × 151,833.18
  4. Step 4: Simplify right side
    279,154.62x = 58,491,702,585.38
  5. Step 5: Solve for x
    x = 58,491,702,585.38/279,154.62
  6. Step 6: Final answer
    x = 209,531.56

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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.