Home / 140,234.33-193,522.61-76,571.68

Finding the Fourth Proportional to 140,234.33, 193,522.61 and 76,571.68

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Solution

The fourth proportional to 140,234.33, 193,522.61 and 76,571.68 is: 105,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.33 : 193,522.61 = 76,571.68 : x
  2. Step 2: Convert to fraction form
    140,234.33/193,522.61 = 76,571.68/x
  3. Step 3: Cross multiply
    140,234.33x = 193,522.61 × 76,571.68
  4. Step 4: Simplify right side
    140,234.33x = 14,818,350,015.21
  5. Step 5: Solve for x
    x = 14,818,350,015.21/140,234.33
  6. Step 6: Final answer
    x = 105,668.49

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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.