Home / 313,723.92-432,955.60-177,784.24

Finding the Fourth Proportional to 313,723.92, 432,955.60 and 177,784.24

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Solution

The fourth proportional to 313,723.92, 432,955.60 and 177,784.24 is: 245,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,723.92 : 432,955.60 = 177,784.24 : x
  2. Step 2: Convert to fraction form
    313,723.92/432,955.60 = 177,784.24/x
  3. Step 3: Cross multiply
    313,723.92x = 432,955.60 × 177,784.24
  4. Step 4: Simplify right side
    313,723.92x = 76,972,682,299.74
  5. Step 5: Solve for x
    x = 76,972,682,299.74/313,723.92
  6. Step 6: Final answer
    x = 245,351.65

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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.