Home / 118,911.98-164,105.26-70,542.56

Finding the Fourth Proportional to 118,911.98, 164,105.26 and 70,542.56

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Solution

The fourth proportional to 118,911.98, 164,105.26 and 70,542.56 is: 97,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,911.98 : 164,105.26 = 70,542.56 : x
  2. Step 2: Convert to fraction form
    118,911.98/164,105.26 = 70,542.56/x
  3. Step 3: Cross multiply
    118,911.98x = 164,105.26 × 70,542.56
  4. Step 4: Simplify right side
    118,911.98x = 11,576,405,149.87
  5. Step 5: Solve for x
    x = 11,576,405,149.87/118,911.98
  6. Step 6: Final answer
    x = 97,352.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.