Home / 194,336.40-268,308.06-158,611.68

Finding the Fourth Proportional to 194,336.40, 268,308.06 and 158,611.68

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Solution

The fourth proportional to 194,336.40, 268,308.06 and 158,611.68 is: 218,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,336.40 : 268,308.06 = 158,611.68 : x
  2. Step 2: Convert to fraction form
    194,336.40/268,308.06 = 158,611.68/x
  3. Step 3: Cross multiply
    194,336.40x = 268,308.06 × 158,611.68
  4. Step 4: Simplify right side
    194,336.40x = 42,556,792,154.14
  5. Step 5: Solve for x
    x = 42,556,792,154.14/194,336.40
  6. Step 6: Final answer
    x = 218,985.18

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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.