Home / 209,804.46-314,704.26-125,588.16

Finding the Fourth Proportional to 209,804.46, 314,704.26 and 125,588.16

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Solution

The fourth proportional to 209,804.46, 314,704.26 and 125,588.16 is: 188,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,804.46 : 314,704.26 = 125,588.16 : x
  2. Step 2: Convert to fraction form
    209,804.46/314,704.26 = 125,588.16/x
  3. Step 3: Cross multiply
    209,804.46x = 314,704.26 × 125,588.16
  4. Step 4: Simplify right side
    209,804.46x = 39,523,128,957.56
  5. Step 5: Solve for x
    x = 39,523,128,957.56/209,804.46
  6. Step 6: Final answer
    x = 188,380.79

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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.