Home / 197,049.51-271,644.90-140,362.47

Finding the Fourth Proportional to 197,049.51, 271,644.90 and 140,362.47

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Solution

The fourth proportional to 197,049.51, 271,644.90 and 140,362.47 is: 193,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,049.51 : 271,644.90 = 140,362.47 : x
  2. Step 2: Convert to fraction form
    197,049.51/271,644.90 = 140,362.47/x
  3. Step 3: Cross multiply
    197,049.51x = 271,644.90 × 140,362.47
  4. Step 4: Simplify right side
    197,049.51x = 38,128,749,126.90
  5. Step 5: Solve for x
    x = 38,128,749,126.90/197,049.51
  6. Step 6: Final answer
    x = 193,498.32

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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.