Home / 140,333.22-193,662.63-76,674.96

Finding the Fourth Proportional to 140,333.22, 193,662.63 and 76,674.96

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Solution

The fourth proportional to 140,333.22, 193,662.63 and 76,674.96 is: 105,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.22 : 193,662.63 = 76,674.96 : x
  2. Step 2: Convert to fraction form
    140,333.22/193,662.63 = 76,674.96/x
  3. Step 3: Cross multiply
    140,333.22x = 193,662.63 × 76,674.96
  4. Step 4: Simplify right side
    140,333.22x = 14,849,074,408.74
  5. Step 5: Solve for x
    x = 14,849,074,408.74/140,333.22
  6. Step 6: Final answer
    x = 105,812.97

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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.