Home / 194,564.08-268,478.76-143,604.64

Finding the Fourth Proportional to 194,564.08, 268,478.76 and 143,604.64

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Solution

The fourth proportional to 194,564.08, 268,478.76 and 143,604.64 is: 198,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,564.08 : 268,478.76 = 143,604.64 : x
  2. Step 2: Convert to fraction form
    194,564.08/268,478.76 = 143,604.64/x
  3. Step 3: Cross multiply
    194,564.08x = 268,478.76 × 143,604.64
  4. Step 4: Simplify right side
    194,564.08x = 38,554,795,677.45
  5. Step 5: Solve for x
    x = 38,554,795,677.45/194,564.08
  6. Step 6: Final answer
    x = 198,159.88

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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.