Home / 140,125.85-193,378.35-76,467.14

Finding the Fourth Proportional to 140,125.85, 193,378.35 and 76,467.14

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Solution

The fourth proportional to 140,125.85, 193,378.35 and 76,467.14 is: 105,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.85 : 193,378.35 = 76,467.14 : x
  2. Step 2: Convert to fraction form
    140,125.85/193,378.35 = 76,467.14/x
  3. Step 3: Cross multiply
    140,125.85x = 193,378.35 × 76,467.14
  4. Step 4: Simplify right side
    140,125.85x = 14,787,089,407.45
  5. Step 5: Solve for x
    x = 14,787,089,407.45/140,125.85
  6. Step 6: Final answer
    x = 105,527.21

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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.