Home / 139,962.87-193,090.61-82,579.41

Finding the Fourth Proportional to 139,962.87, 193,090.61 and 82,579.41

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Solution

The fourth proportional to 139,962.87, 193,090.61 and 82,579.41 is: 113,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,962.87 : 193,090.61 = 82,579.41 : x
  2. Step 2: Convert to fraction form
    139,962.87/193,090.61 = 82,579.41/x
  3. Step 3: Cross multiply
    139,962.87x = 193,090.61 × 82,579.41
  4. Step 4: Simplify right side
    139,962.87x = 15,945,308,237.44
  5. Step 5: Solve for x
    x = 15,945,308,237.44/139,962.87
  6. Step 6: Final answer
    x = 113,925.27

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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.