Home / 324,932.67-487,482.30-135,330.03

Finding the Fourth Proportional to 324,932.67, 487,482.30 and 135,330.03

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Solution

The fourth proportional to 324,932.67, 487,482.30 and 135,330.03 is: 203,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,932.67 : 487,482.30 = 135,330.03 : x
  2. Step 2: Convert to fraction form
    324,932.67/487,482.30 = 135,330.03/x
  3. Step 3: Cross multiply
    324,932.67x = 487,482.30 × 135,330.03
  4. Step 4: Simplify right side
    324,932.67x = 65,970,994,283.47
  5. Step 5: Solve for x
    x = 65,970,994,283.47/324,932.67
  6. Step 6: Final answer
    x = 203,029.74

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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.