Home / 236,441.54-354,715.77-78,676.22

Finding the Fourth Proportional to 236,441.54, 354,715.77 and 78,676.22

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Solution

The fourth proportional to 236,441.54, 354,715.77 and 78,676.22 is: 118,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,441.54 : 354,715.77 = 78,676.22 : x
  2. Step 2: Convert to fraction form
    236,441.54/354,715.77 = 78,676.22/x
  3. Step 3: Cross multiply
    236,441.54x = 354,715.77 × 78,676.22
  4. Step 4: Simplify right side
    236,441.54x = 27,907,695,957.99
  5. Step 5: Solve for x
    x = 27,907,695,957.99/236,441.54
  6. Step 6: Final answer
    x = 118,032.12

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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.