Home / 335,918.40-503,877.60-99,268.80

Finding the Fourth Proportional to 335,918.40, 503,877.60 and 99,268.80

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Solution

The fourth proportional to 335,918.40, 503,877.60 and 99,268.80 is: 148,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,918.40 : 503,877.60 = 99,268.80 : x
  2. Step 2: Convert to fraction form
    335,918.40/503,877.60 = 99,268.80/x
  3. Step 3: Cross multiply
    335,918.40x = 503,877.60 × 99,268.80
  4. Step 4: Simplify right side
    335,918.40x = 50,019,324,698.88
  5. Step 5: Solve for x
    x = 50,019,324,698.88/335,918.40
  6. Step 6: Final answer
    x = 148,903.20

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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.