Home / 327,152.25-490,728.54-102,530.18

Finding the Fourth Proportional to 327,152.25, 490,728.54 and 102,530.18

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Solution

The fourth proportional to 327,152.25, 490,728.54 and 102,530.18 is: 153,795.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,152.25 : 490,728.54 = 102,530.18 : x
  2. Step 2: Convert to fraction form
    327,152.25/490,728.54 = 102,530.18/x
  3. Step 3: Cross multiply
    327,152.25x = 490,728.54 × 102,530.18
  4. Step 4: Simplify right side
    327,152.25x = 50,314,483,083.69
  5. Step 5: Solve for x
    x = 50,314,483,083.69/327,152.25
  6. Step 6: Final answer
    x = 153,795.31

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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.