Home / 207,121.16-285,825.32-116,477.75

Finding the Fourth Proportional to 207,121.16, 285,825.32 and 116,477.75

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Solution

The fourth proportional to 207,121.16, 285,825.32 and 116,477.75 is: 160,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,121.16 : 285,825.32 = 116,477.75 : x
  2. Step 2: Convert to fraction form
    207,121.16/285,825.32 = 116,477.75/x
  3. Step 3: Cross multiply
    207,121.16x = 285,825.32 × 116,477.75
  4. Step 4: Simplify right side
    207,121.16x = 33,292,290,166.63
  5. Step 5: Solve for x
    x = 33,292,290,166.63/207,121.16
  6. Step 6: Final answer
    x = 160,738.24

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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.