Home / 335,905.40-503,858.10-111,205.40

Finding the Fourth Proportional to 335,905.40, 503,858.10 and 111,205.40

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Solution

The fourth proportional to 335,905.40, 503,858.10 and 111,205.40 is: 166,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,905.40 : 503,858.10 = 111,205.40 : x
  2. Step 2: Convert to fraction form
    335,905.40/503,858.10 = 111,205.40/x
  3. Step 3: Cross multiply
    335,905.40x = 503,858.10 × 111,205.40
  4. Step 4: Simplify right side
    335,905.40x = 56,031,741,553.74
  5. Step 5: Solve for x
    x = 56,031,741,553.74/335,905.40
  6. Step 6: Final answer
    x = 166,808.10

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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.