Home / 105,917.55-158,766.98-76,232.67

Finding the Fourth Proportional to 105,917.55, 158,766.98 and 76,232.67

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Solution

The fourth proportional to 105,917.55, 158,766.98 and 76,232.67 is: 114,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,917.55 : 158,766.98 = 76,232.67 : x
  2. Step 2: Convert to fraction form
    105,917.55/158,766.98 = 76,232.67/x
  3. Step 3: Cross multiply
    105,917.55x = 158,766.98 × 76,232.67
  4. Step 4: Simplify right side
    105,917.55x = 12,103,230,412.07
  5. Step 5: Solve for x
    x = 12,103,230,412.07/105,917.55
  6. Step 6: Final answer
    x = 114,270.30

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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.