Home / 321,945.24-482,928.03-153,483.96

Finding the Fourth Proportional to 321,945.24, 482,928.03 and 153,483.96

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Solution

The fourth proportional to 321,945.24, 482,928.03 and 153,483.96 is: 230,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,945.24 : 482,928.03 = 153,483.96 : x
  2. Step 2: Convert to fraction form
    321,945.24/482,928.03 = 153,483.96/x
  3. Step 3: Cross multiply
    321,945.24x = 482,928.03 × 153,483.96
  4. Step 4: Simplify right side
    321,945.24x = 74,121,706,439.40
  5. Step 5: Solve for x
    x = 74,121,706,439.40/321,945.24
  6. Step 6: Final answer
    x = 230,230.79

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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.