Home / 236,542.33-354,682.23-78,684.67

Finding the Fourth Proportional to 236,542.33, 354,682.23 and 78,684.67

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Solution

The fourth proportional to 236,542.33, 354,682.23 and 78,684.67 is: 117,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,542.33 : 354,682.23 = 78,684.67 : x
  2. Step 2: Convert to fraction form
    236,542.33/354,682.23 = 78,684.67/x
  3. Step 3: Cross multiply
    236,542.33x = 354,682.23 × 78,684.67
  4. Step 4: Simplify right side
    236,542.33x = 27,908,054,222.41
  5. Step 5: Solve for x
    x = 27,908,054,222.41/236,542.33
  6. Step 6: Final answer
    x = 117,983.34

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1.5x scale

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.