Home / 197,143.93-271,775.36-140,456.89

Finding the Fourth Proportional to 197,143.93, 271,775.36 and 140,456.89

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Solution

The fourth proportional to 197,143.93, 271,775.36 and 140,456.89 is: 193,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.93 : 271,775.36 = 140,456.89 : x
  2. Step 2: Convert to fraction form
    197,143.93/271,775.36 = 140,456.89/x
  3. Step 3: Cross multiply
    197,143.93x = 271,775.36 × 140,456.89
  4. Step 4: Simplify right side
    197,143.93x = 38,172,719,783.07
  5. Step 5: Solve for x
    x = 38,172,719,783.07/197,143.93
  6. Step 6: Final answer
    x = 193,628.69

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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.