Home / 194,841.82-268,852.88-118,321.12

Finding the Fourth Proportional to 194,841.82, 268,852.88 and 118,321.12

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Solution

The fourth proportional to 194,841.82, 268,852.88 and 118,321.12 is: 163,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,841.82 : 268,852.88 = 118,321.12 : x
  2. Step 2: Convert to fraction form
    194,841.82/268,852.88 = 118,321.12/x
  3. Step 3: Cross multiply
    194,841.82x = 268,852.88 × 118,321.12
  4. Step 4: Simplify right side
    194,841.82x = 31,810,971,940.96
  5. Step 5: Solve for x
    x = 31,810,971,940.96/194,841.82
  6. Step 6: Final answer
    x = 163,265.63

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1.5x scale

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.