Home / 236,541.33-354,680.73-78,683.67

Finding the Fourth Proportional to 236,541.33, 354,680.73 and 78,683.67

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Solution

The fourth proportional to 236,541.33, 354,680.73 and 78,683.67 is: 117,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,541.33 : 354,680.73 = 78,683.67 : x
  2. Step 2: Convert to fraction form
    236,541.33/354,680.73 = 78,683.67/x
  3. Step 3: Cross multiply
    236,541.33x = 354,680.73 × 78,683.67
  4. Step 4: Simplify right side
    236,541.33x = 27,907,581,514.68
  5. Step 5: Solve for x
    x = 27,907,581,514.68/236,541.33
  6. Step 6: Final answer
    x = 117,981.84

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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.