Home / 256,626.41-354,157.91-154,684.27

Finding the Fourth Proportional to 256,626.41, 354,157.91 and 154,684.27

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Solution

The fourth proportional to 256,626.41, 354,157.91 and 154,684.27 is: 213,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,626.41 : 354,157.91 = 154,684.27 : x
  2. Step 2: Convert to fraction form
    256,626.41/354,157.91 = 154,684.27/x
  3. Step 3: Cross multiply
    256,626.41x = 354,157.91 × 154,684.27
  4. Step 4: Simplify right side
    256,626.41x = 54,782,657,274.39
  5. Step 5: Solve for x
    x = 54,782,657,274.39/256,626.41
  6. Step 6: Final answer
    x = 213,472.40

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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.