Home / 256,009.14-384,346.35-196,886.70

Finding the Fourth Proportional to 256,009.14, 384,346.35 and 196,886.70

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Solution

The fourth proportional to 256,009.14, 384,346.35 and 196,886.70 is: 295,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,009.14 : 384,346.35 = 196,886.70 : x
  2. Step 2: Convert to fraction form
    256,009.14/384,346.35 = 196,886.70/x
  3. Step 3: Cross multiply
    256,009.14x = 384,346.35 × 196,886.70
  4. Step 4: Simplify right side
    256,009.14x = 75,672,684,508.55
  5. Step 5: Solve for x
    x = 75,672,684,508.55/256,009.14
  6. Step 6: Final answer
    x = 295,585.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.