Home / 256,982.07-354,639.46-140,693.60

Finding the Fourth Proportional to 256,982.07, 354,639.46 and 140,693.60

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Solution

The fourth proportional to 256,982.07, 354,639.46 and 140,693.60 is: 194,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,982.07 : 354,639.46 = 140,693.60 : x
  2. Step 2: Convert to fraction form
    256,982.07/354,639.46 = 140,693.60/x
  3. Step 3: Cross multiply
    256,982.07x = 354,639.46 × 140,693.60
  4. Step 4: Simplify right side
    256,982.07x = 49,895,503,105.23
  5. Step 5: Solve for x
    x = 49,895,503,105.23/256,982.07
  6. Step 6: Final answer
    x = 194,159.47

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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.