Home / 256,585.26-354,076.50-140,296.58

Finding the Fourth Proportional to 256,585.26, 354,076.50 and 140,296.58

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Solution

The fourth proportional to 256,585.26, 354,076.50 and 140,296.58 is: 193,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,585.26 : 354,076.50 = 140,296.58 : x
  2. Step 2: Convert to fraction form
    256,585.26/354,076.50 = 140,296.58/x
  3. Step 3: Cross multiply
    256,585.26x = 354,076.50 × 140,296.58
  4. Step 4: Simplify right side
    256,585.26x = 49,675,722,008.37
  5. Step 5: Solve for x
    x = 49,675,722,008.37/256,585.26
  6. Step 6: Final answer
    x = 193,603.18

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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.