Home / 115,932.70-173,899.05-103,466.80

Finding the Fourth Proportional to 115,932.70, 173,899.05 and 103,466.80

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Solution

The fourth proportional to 115,932.70, 173,899.05 and 103,466.80 is: 155,200.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.70 : 173,899.05 = 103,466.80 : x
  2. Step 2: Convert to fraction form
    115,932.70/173,899.05 = 103,466.80/x
  3. Step 3: Cross multiply
    115,932.70x = 173,899.05 × 103,466.80
  4. Step 4: Simplify right side
    115,932.70x = 17,992,778,226.54
  5. Step 5: Solve for x
    x = 17,992,778,226.54/115,932.70
  6. Step 6: Final answer
    x = 155,200.20

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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.