Home / 272,760.91-376,383.07-151,913.42

Finding the Fourth Proportional to 272,760.91, 376,383.07 and 151,913.42

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Solution

The fourth proportional to 272,760.91, 376,383.07 and 151,913.42 is: 209,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,760.91 : 376,383.07 = 151,913.42 : x
  2. Step 2: Convert to fraction form
    272,760.91/376,383.07 = 151,913.42/x
  3. Step 3: Cross multiply
    272,760.91x = 376,383.07 × 151,913.42
  4. Step 4: Simplify right side
    272,760.91x = 57,177,639,393.80
  5. Step 5: Solve for x
    x = 57,177,639,393.80/272,760.91
  6. Step 6: Final answer
    x = 209,625.49

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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.