Home / 197,084.04-271,889.52-120,606.78

Finding the Fourth Proportional to 197,084.04, 271,889.52 and 120,606.78

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Solution

The fourth proportional to 197,084.04, 271,889.52 and 120,606.78 is: 166,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,084.04 : 271,889.52 = 120,606.78 : x
  2. Step 2: Convert to fraction form
    197,084.04/271,889.52 = 120,606.78/x
  3. Step 3: Cross multiply
    197,084.04x = 271,889.52 × 120,606.78
  4. Step 4: Simplify right side
    197,084.04x = 32,791,719,522.95
  5. Step 5: Solve for x
    x = 32,791,719,522.95/197,084.04
  6. Step 6: Final answer
    x = 166,384.45

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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.