Home / 105,998.42-146,274.87-58,251.80

Finding the Fourth Proportional to 105,998.42, 146,274.87 and 58,251.80

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Solution

The fourth proportional to 105,998.42, 146,274.87 and 58,251.80 is: 80,385.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,998.42 : 146,274.87 = 58,251.80 : x
  2. Step 2: Convert to fraction form
    105,998.42/146,274.87 = 58,251.80/x
  3. Step 3: Cross multiply
    105,998.42x = 146,274.87 × 58,251.80
  4. Step 4: Simplify right side
    105,998.42x = 8,520,774,472.27
  5. Step 5: Solve for x
    x = 8,520,774,472.27/105,998.42
  6. Step 6: Final answer
    x = 80,385.86

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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.