Home / 107,147.12-160,704.88-28,266.89

Finding the Fourth Proportional to 107,147.12, 160,704.88 and 28,266.89

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Solution

The fourth proportional to 107,147.12, 160,704.88 and 28,266.89 is: 42,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,147.12 : 160,704.88 = 28,266.89 : x
  2. Step 2: Convert to fraction form
    107,147.12/160,704.88 = 28,266.89/x
  3. Step 3: Cross multiply
    107,147.12x = 160,704.88 × 28,266.89
  4. Step 4: Simplify right side
    107,147.12x = 4,542,626,291.23
  5. Step 5: Solve for x
    x = 4,542,626,291.23/107,147.12
  6. Step 6: Final answer
    x = 42,396.16

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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.