Home / 291,110.01-436,517.31-133,203.15

Finding the Fourth Proportional to 291,110.01, 436,517.31 and 133,203.15

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Solution

The fourth proportional to 291,110.01, 436,517.31 and 133,203.15 is: 199,737.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,110.01 : 436,517.31 = 133,203.15 : x
  2. Step 2: Convert to fraction form
    291,110.01/436,517.31 = 133,203.15/x
  3. Step 3: Cross multiply
    291,110.01x = 436,517.31 × 133,203.15
  4. Step 4: Simplify right side
    291,110.01x = 58,145,480,721.53
  5. Step 5: Solve for x
    x = 58,145,480,721.53/291,110.01
  6. Step 6: Final answer
    x = 199,737.14

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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.