Home / 114,290.30-171,107.40-70,003.55

Finding the Fourth Proportional to 114,290.30, 171,107.40 and 70,003.55

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Solution

The fourth proportional to 114,290.30, 171,107.40 and 70,003.55 is: 104,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,290.30 : 171,107.40 = 70,003.55 : x
  2. Step 2: Convert to fraction form
    114,290.30/171,107.40 = 70,003.55/x
  3. Step 3: Cross multiply
    114,290.30x = 171,107.40 × 70,003.55
  4. Step 4: Simplify right side
    114,290.30x = 11,978,125,431.27
  5. Step 5: Solve for x
    x = 11,978,125,431.27/114,290.30
  6. Step 6: Final answer
    x = 104,804.39

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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.