Home / 220,707.93-331,030.04-70,928.67

Finding the Fourth Proportional to 220,707.93, 331,030.04 and 70,928.67

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Solution

The fourth proportional to 220,707.93, 331,030.04 and 70,928.67 is: 106,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,707.93 : 331,030.04 = 70,928.67 : x
  2. Step 2: Convert to fraction form
    220,707.93/331,030.04 = 70,928.67/x
  3. Step 3: Cross multiply
    220,707.93x = 331,030.04 × 70,928.67
  4. Step 4: Simplify right side
    220,707.93x = 23,479,520,112.60
  5. Step 5: Solve for x
    x = 23,479,520,112.60/220,707.93
  6. Step 6: Final answer
    x = 106,382.77

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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.