Home / 169,825.21-234,111.79-118,679.14

Finding the Fourth Proportional to 169,825.21, 234,111.79 and 118,679.14

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Solution

The fourth proportional to 169,825.21, 234,111.79 and 118,679.14 is: 163,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825.21 : 234,111.79 = 118,679.14 : x
  2. Step 2: Convert to fraction form
    169,825.21/234,111.79 = 118,679.14/x
  3. Step 3: Cross multiply
    169,825.21x = 234,111.79 × 118,679.14
  4. Step 4: Simplify right side
    169,825.21x = 27,784,186,342.05
  5. Step 5: Solve for x
    x = 27,784,186,342.05/169,825.21
  6. Step 6: Final answer
    x = 163,604.61

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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.