Home / 130,269.25-179,771.57-73,679.41

Finding the Fourth Proportional to 130,269.25, 179,771.57 and 73,679.41

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Solution

The fourth proportional to 130,269.25, 179,771.57 and 73,679.41 is: 101,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,269.25 : 179,771.57 = 73,679.41 : x
  2. Step 2: Convert to fraction form
    130,269.25/179,771.57 = 73,679.41/x
  3. Step 3: Cross multiply
    130,269.25x = 179,771.57 × 73,679.41
  4. Step 4: Simplify right side
    130,269.25x = 13,245,463,212.37
  5. Step 5: Solve for x
    x = 13,245,463,212.37/130,269.25
  6. Step 6: Final answer
    x = 101,677.59

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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.