Home / 324,288.40-486,434.22-146,587.36

Finding the Fourth Proportional to 324,288.40, 486,434.22 and 146,587.36

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Solution

The fourth proportional to 324,288.40, 486,434.22 and 146,587.36 is: 219,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,288.40 : 486,434.22 = 146,587.36 : x
  2. Step 2: Convert to fraction form
    324,288.40/486,434.22 = 146,587.36/x
  3. Step 3: Cross multiply
    324,288.40x = 486,434.22 × 146,587.36
  4. Step 4: Simplify right side
    324,288.40x = 71,305,108,123.46
  5. Step 5: Solve for x
    x = 71,305,108,123.46/324,288.40
  6. Step 6: Final answer
    x = 219,881.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.