Home / 128,523.07-192,784.61-35,042.59

Finding the Fourth Proportional to 128,523.07, 192,784.61 and 35,042.59

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Solution

The fourth proportional to 128,523.07, 192,784.61 and 35,042.59 is: 52,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,523.07 : 192,784.61 = 35,042.59 : x
  2. Step 2: Convert to fraction form
    128,523.07/192,784.61 = 35,042.59/x
  3. Step 3: Cross multiply
    128,523.07x = 192,784.61 × 35,042.59
  4. Step 4: Simplify right side
    128,523.07x = 6,755,672,046.54
  5. Step 5: Solve for x
    x = 6,755,672,046.54/128,523.07
  6. Step 6: Final answer
    x = 52,563.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.