Home / 156,865.97-235,166.72-68,052.51

Finding the Fourth Proportional to 156,865.97, 235,166.72 and 68,052.51

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Solution

The fourth proportional to 156,865.97, 235,166.72 and 68,052.51 is: 102,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,865.97 : 235,166.72 = 68,052.51 : x
  2. Step 2: Convert to fraction form
    156,865.97/235,166.72 = 68,052.51/x
  3. Step 3: Cross multiply
    156,865.97x = 235,166.72 × 68,052.51
  4. Step 4: Simplify right side
    156,865.97x = 16,003,685,224.20
  5. Step 5: Solve for x
    x = 16,003,685,224.20/156,865.97
  6. Step 6: Final answer
    x = 102,021.40

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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.