Home / 256,827.36-354,509.21-149,487.58

Finding the Fourth Proportional to 256,827.36, 354,509.21 and 149,487.58

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Solution

The fourth proportional to 256,827.36, 354,509.21 and 149,487.58 is: 206,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,827.36 : 354,509.21 = 149,487.58 : x
  2. Step 2: Convert to fraction form
    256,827.36/354,509.21 = 149,487.58/x
  3. Step 3: Cross multiply
    256,827.36x = 354,509.21 × 149,487.58
  4. Step 4: Simplify right side
    256,827.36x = 52,994,721,872.49
  5. Step 5: Solve for x
    x = 52,994,721,872.49/256,827.36
  6. Step 6: Final answer
    x = 206,343.76

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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.