Home / 207,150.80-285,825.24-121,093.16

Finding the Fourth Proportional to 207,150.80, 285,825.24 and 121,093.16

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Solution

The fourth proportional to 207,150.80, 285,825.24 and 121,093.16 is: 167,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,150.80 : 285,825.24 = 121,093.16 : x
  2. Step 2: Convert to fraction form
    207,150.80/285,825.24 = 121,093.16/x
  3. Step 3: Cross multiply
    207,150.80x = 285,825.24 × 121,093.16
  4. Step 4: Simplify right side
    207,150.80x = 34,611,480,090.23
  5. Step 5: Solve for x
    x = 34,611,480,090.23/207,150.80
  6. Step 6: Final answer
    x = 167,083.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.