Home / 271,157.04-406,571.32-121,369.36

Finding the Fourth Proportional to 271,157.04, 406,571.32 and 121,369.36

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Solution

The fourth proportional to 271,157.04, 406,571.32 and 121,369.36 is: 181,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,157.04 : 406,571.32 = 121,369.36 : x
  2. Step 2: Convert to fraction form
    271,157.04/406,571.32 = 121,369.36/x
  3. Step 3: Cross multiply
    271,157.04x = 406,571.32 × 121,369.36
  4. Step 4: Simplify right side
    271,157.04x = 49,345,300,902.76
  5. Step 5: Solve for x
    x = 49,345,300,902.76/271,157.04
  6. Step 6: Final answer
    x = 181,980.53

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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.