Home / 197,011.20-271,690.92-156,857.52

Finding the Fourth Proportional to 197,011.20, 271,690.92 and 156,857.52

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Solution

The fourth proportional to 197,011.20, 271,690.92 and 156,857.52 is: 216,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,011.20 : 271,690.92 = 156,857.52 : x
  2. Step 2: Convert to fraction form
    197,011.20/271,690.92 = 156,857.52/x
  3. Step 3: Cross multiply
    197,011.20x = 271,690.92 × 156,857.52
  4. Step 4: Simplify right side
    197,011.20x = 42,616,763,917.72
  5. Step 5: Solve for x
    x = 42,616,763,917.72/197,011.20
  6. Step 6: Final answer
    x = 216,316.45

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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.