Home / 139,924.54-193,090.22-76,260.96

Finding the Fourth Proportional to 139,924.54, 193,090.22 and 76,260.96

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Solution

The fourth proportional to 139,924.54, 193,090.22 and 76,260.96 is: 105,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,924.54 : 193,090.22 = 76,260.96 : x
  2. Step 2: Convert to fraction form
    139,924.54/193,090.22 = 76,260.96/x
  3. Step 3: Cross multiply
    139,924.54x = 193,090.22 × 76,260.96
  4. Step 4: Simplify right side
    139,924.54x = 14,725,245,543.81
  5. Step 5: Solve for x
    x = 14,725,245,543.81/139,924.54
  6. Step 6: Final answer
    x = 105,237.05

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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.