Home / 256,756.16-354,204.09-166,141.40

Finding the Fourth Proportional to 256,756.16, 354,204.09 and 166,141.40

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Solution

The fourth proportional to 256,756.16, 354,204.09 and 166,141.40 is: 229,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,756.16 : 354,204.09 = 166,141.40 : x
  2. Step 2: Convert to fraction form
    256,756.16/354,204.09 = 166,141.40/x
  3. Step 3: Cross multiply
    256,756.16x = 354,204.09 × 166,141.40
  4. Step 4: Simplify right side
    256,756.16x = 58,847,961,627.31
  5. Step 5: Solve for x
    x = 58,847,961,627.31/256,756.16
  6. Step 6: Final answer
    x = 229,197.85

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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.