Home / 196,601.12-294,988.80-103,084.64

Finding the Fourth Proportional to 196,601.12, 294,988.80 and 103,084.64

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Solution

The fourth proportional to 196,601.12, 294,988.80 and 103,084.64 is: 154,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,601.12 : 294,988.80 = 103,084.64 : x
  2. Step 2: Convert to fraction form
    196,601.12/294,988.80 = 103,084.64/x
  3. Step 3: Cross multiply
    196,601.12x = 294,988.80 × 103,084.64
  4. Step 4: Simplify right side
    196,601.12x = 30,408,814,252.03
  5. Step 5: Solve for x
    x = 30,408,814,252.03/196,601.12
  6. Step 6: Final answer
    x = 154,672.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.