Home / 172,741.46-238,274.12-118,933.02

Finding the Fourth Proportional to 172,741.46, 238,274.12 and 118,933.02

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Solution

The fourth proportional to 172,741.46, 238,274.12 and 118,933.02 is: 164,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,741.46 : 238,274.12 = 118,933.02 : x
  2. Step 2: Convert to fraction form
    172,741.46/238,274.12 = 118,933.02/x
  3. Step 3: Cross multiply
    172,741.46x = 238,274.12 × 118,933.02
  4. Step 4: Simplify right side
    172,741.46x = 28,338,660,976.78
  5. Step 5: Solve for x
    x = 28,338,660,976.78/172,741.46
  6. Step 6: Final answer
    x = 164,052.46

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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.