Home / 256,883.03-354,491.25-142,166.45

Finding the Fourth Proportional to 256,883.03, 354,491.25 and 142,166.45

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Solution

The fourth proportional to 256,883.03, 354,491.25 and 142,166.45 is: 196,185.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,883.03 : 354,491.25 = 142,166.45 : x
  2. Step 2: Convert to fraction form
    256,883.03/354,491.25 = 142,166.45/x
  3. Step 3: Cross multiply
    256,883.03x = 354,491.25 × 142,166.45
  4. Step 4: Simplify right side
    256,883.03x = 50,396,762,921.67
  5. Step 5: Solve for x
    x = 50,396,762,921.67/256,883.03
  6. Step 6: Final answer
    x = 196,185.65

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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.