Home / 175,321.20-263,111.40-116,137.20

Finding the Fourth Proportional to 175,321.20, 263,111.40 and 116,137.20

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Solution

The fourth proportional to 175,321.20, 263,111.40 and 116,137.20 is: 174,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,321.20 : 263,111.40 = 116,137.20 : x
  2. Step 2: Convert to fraction form
    175,321.20/263,111.40 = 116,137.20/x
  3. Step 3: Cross multiply
    175,321.20x = 263,111.40 × 116,137.20
  4. Step 4: Simplify right side
    175,321.20x = 30,557,021,284.08
  5. Step 5: Solve for x
    x = 30,557,021,284.08/175,321.20
  6. Step 6: Final answer
    x = 174,291.65

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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.