Home / 105,997.23-146,274.52-58,249.55

Finding the Fourth Proportional to 105,997.23, 146,274.52 and 58,249.55

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Solution

The fourth proportional to 105,997.23, 146,274.52 and 58,249.55 is: 80,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,997.23 : 146,274.52 = 58,249.55 : x
  2. Step 2: Convert to fraction form
    105,997.23/146,274.52 = 58,249.55/x
  3. Step 3: Cross multiply
    105,997.23x = 146,274.52 × 58,249.55
  4. Step 4: Simplify right side
    105,997.23x = 8,520,424,966.47
  5. Step 5: Solve for x
    x = 8,520,424,966.47/105,997.23
  6. Step 6: Final answer
    x = 80,383.47

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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.