Home / 240,769.21-332,151.27-155,913.61

Finding the Fourth Proportional to 240,769.21, 332,151.27 and 155,913.61

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Solution

The fourth proportional to 240,769.21, 332,151.27 and 155,913.61 is: 215,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,769.21 : 332,151.27 = 155,913.61 : x
  2. Step 2: Convert to fraction form
    240,769.21/332,151.27 = 155,913.61/x
  3. Step 3: Cross multiply
    240,769.21x = 332,151.27 × 155,913.61
  4. Step 4: Simplify right side
    240,769.21x = 51,786,903,571.78
  5. Step 5: Solve for x
    x = 51,786,903,571.78/240,769.21
  6. Step 6: Final answer
    x = 215,089.39

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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.