Home / 313,278.48-432,221.37-177,298.92

Finding the Fourth Proportional to 313,278.48, 432,221.37 and 177,298.92

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Solution

The fourth proportional to 313,278.48, 432,221.37 and 177,298.92 is: 244,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,278.48 : 432,221.37 = 177,298.92 : x
  2. Step 2: Convert to fraction form
    313,278.48/432,221.37 = 177,298.92/x
  3. Step 3: Cross multiply
    313,278.48x = 432,221.37 × 177,298.92
  4. Step 4: Simplify right side
    313,278.48x = 76,632,382,101.92
  5. Step 5: Solve for x
    x = 76,632,382,101.92/313,278.48
  6. Step 6: Final answer
    x = 244,614.26

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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.