Home / 256,724.37-354,236.69-149,298.93

Finding the Fourth Proportional to 256,724.37, 354,236.69 and 149,298.93

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Solution

The fourth proportional to 256,724.37, 354,236.69 and 149,298.93 is: 206,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,724.37 : 354,236.69 = 149,298.93 : x
  2. Step 2: Convert to fraction form
    256,724.37/354,236.69 = 149,298.93/x
  3. Step 3: Cross multiply
    256,724.37x = 354,236.69 × 149,298.93
  4. Step 4: Simplify right side
    256,724.37x = 52,887,159,156.99
  5. Step 5: Solve for x
    x = 52,887,159,156.99/256,724.37
  6. Step 6: Final answer
    x = 206,007.55

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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.