Home / 207,175.46-285,905.07-122,292.51

Finding the Fourth Proportional to 207,175.46, 285,905.07 and 122,292.51

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Solution

The fourth proportional to 207,175.46, 285,905.07 and 122,292.51 is: 168,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,175.46 : 285,905.07 = 122,292.51 : x
  2. Step 2: Convert to fraction form
    207,175.46/285,905.07 = 122,292.51/x
  3. Step 3: Cross multiply
    207,175.46x = 285,905.07 × 122,292.51
  4. Step 4: Simplify right side
    207,175.46x = 34,964,048,632.03
  5. Step 5: Solve for x
    x = 34,964,048,632.03/207,175.46
  6. Step 6: Final answer
    x = 168,765.40

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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.