Home / 197,076.96-271,968-112,199.52

Finding the Fourth Proportional to 197,076.96, 271,968 and 112,199.52

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Solution

The fourth proportional to 197,076.96, 271,968 and 112,199.52 is: 154,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,076.96 : 271,968 = 112,199.52 : x
  2. Step 2: Convert to fraction form
    197,076.96/271,968 = 112,199.52/x
  3. Step 3: Cross multiply
    197,076.96x = 271,968 × 112,199.52
  4. Step 4: Simplify right side
    197,076.96x = 30,514,679,055.36
  5. Step 5: Solve for x
    x = 30,514,679,055.36/197,076.96
  6. Step 6: Final answer
    x = 154,836.36

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1.5x scale

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.