Home / 324,335.07-486,549.12-99,714.36

Finding the Fourth Proportional to 324,335.07, 486,549.12 and 99,714.36

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Solution

The fourth proportional to 324,335.07, 486,549.12 and 99,714.36 is: 149,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,335.07 : 486,549.12 = 99,714.36 : x
  2. Step 2: Convert to fraction form
    324,335.07/486,549.12 = 99,714.36/x
  3. Step 3: Cross multiply
    324,335.07x = 486,549.12 × 99,714.36
  4. Step 4: Simplify right side
    324,335.07x = 48,515,934,109.36
  5. Step 5: Solve for x
    x = 48,515,934,109.36/324,335.07
  6. Step 6: Final answer
    x = 149,585.84

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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.