Home / 197,054.79-271,900.04-111,000.39

Finding the Fourth Proportional to 197,054.79, 271,900.04 and 111,000.39

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Solution

The fourth proportional to 197,054.79, 271,900.04 and 111,000.39 is: 153,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,054.79 : 271,900.04 = 111,000.39 : x
  2. Step 2: Convert to fraction form
    197,054.79/271,900.04 = 111,000.39/x
  3. Step 3: Cross multiply
    197,054.79x = 271,900.04 × 111,000.39
  4. Step 4: Simplify right side
    197,054.79x = 30,181,009,926.01
  5. Step 5: Solve for x
    x = 30,181,009,926.01/197,054.79
  6. Step 6: Final answer
    x = 153,160.50

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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.