Home / 107,928.80-161,893.20-107,237.60

Finding the Fourth Proportional to 107,928.80, 161,893.20 and 107,237.60

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Solution

The fourth proportional to 107,928.80, 161,893.20 and 107,237.60 is: 160,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.80 : 161,893.20 = 107,237.60 : x
  2. Step 2: Convert to fraction form
    107,928.80/161,893.20 = 107,237.60/x
  3. Step 3: Cross multiply
    107,928.80x = 161,893.20 × 107,237.60
  4. Step 4: Simplify right side
    107,928.80x = 17,361,038,224.32
  5. Step 5: Solve for x
    x = 17,361,038,224.32/107,928.80
  6. Step 6: Final answer
    x = 160,856.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.