Home / 256,664.23-354,240.34-149,296.50

Finding the Fourth Proportional to 256,664.23, 354,240.34 and 149,296.50

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Solution

The fourth proportional to 256,664.23, 354,240.34 and 149,296.50 is: 206,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,664.23 : 354,240.34 = 149,296.50 : x
  2. Step 2: Convert to fraction form
    256,664.23/354,240.34 = 149,296.50/x
  3. Step 3: Cross multiply
    256,664.23x = 354,240.34 × 149,296.50
  4. Step 4: Simplify right side
    256,664.23x = 52,886,842,547.57
  5. Step 5: Solve for x
    x = 52,886,842,547.57/256,664.23
  6. Step 6: Final answer
    x = 206,054.59

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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.