Home / 279,252.38-385,366.53-151,928.54

Finding the Fourth Proportional to 279,252.38, 385,366.53 and 151,928.54

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Solution

The fourth proportional to 279,252.38, 385,366.53 and 151,928.54 is: 209,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,252.38 : 385,366.53 = 151,928.54 : x
  2. Step 2: Convert to fraction form
    279,252.38/385,366.53 = 151,928.54/x
  3. Step 3: Cross multiply
    279,252.38x = 385,366.53 × 151,928.54
  4. Step 4: Simplify right side
    279,252.38x = 58,548,174,267.77
  5. Step 5: Solve for x
    x = 58,548,174,267.77/279,252.38
  6. Step 6: Final answer
    x = 209,660.43

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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.