Home / 197,009.20-271,688.16-156,855.52

Finding the Fourth Proportional to 197,009.20, 271,688.16 and 156,855.52

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Solution

The fourth proportional to 197,009.20, 271,688.16 and 156,855.52 is: 216,313.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,009.20 : 271,688.16 = 156,855.52 : x
  2. Step 2: Convert to fraction form
    197,009.20/271,688.16 = 156,855.52/x
  3. Step 3: Cross multiply
    197,009.20x = 271,688.16 × 156,855.52
  4. Step 4: Simplify right side
    197,009.20x = 42,615,787,614.64
  5. Step 5: Solve for x
    x = 42,615,787,614.64/197,009.20
  6. Step 6: Final answer
    x = 216,313.69

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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.