Home / 202,620.12-303,930.35-52,860.24

Finding the Fourth Proportional to 202,620.12, 303,930.35 and 52,860.24

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Solution

The fourth proportional to 202,620.12, 303,930.35 and 52,860.24 is: 79,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,620.12 : 303,930.35 = 52,860.24 : x
  2. Step 2: Convert to fraction form
    202,620.12/303,930.35 = 52,860.24/x
  3. Step 3: Cross multiply
    202,620.12x = 303,930.35 × 52,860.24
  4. Step 4: Simplify right side
    202,620.12x = 16,065,830,979.98
  5. Step 5: Solve for x
    x = 16,065,830,979.98/202,620.12
  6. Step 6: Final answer
    x = 79,290.40

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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.