Home / 335,977.20-503,771.40-125,636.40

Finding the Fourth Proportional to 335,977.20, 503,771.40 and 125,636.40

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Solution

The fourth proportional to 335,977.20, 503,771.40 and 125,636.40 is: 188,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,977.20 : 503,771.40 = 125,636.40 : x
  2. Step 2: Convert to fraction form
    335,977.20/503,771.40 = 125,636.40/x
  3. Step 3: Cross multiply
    335,977.20x = 503,771.40 × 125,636.40
  4. Step 4: Simplify right side
    335,977.20x = 63,292,025,118.96
  5. Step 5: Solve for x
    x = 63,292,025,118.96/335,977.20
  6. Step 6: Final answer
    x = 188,381.91

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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.