Home / 107,175.03-160,729.70-74,107.59

Finding the Fourth Proportional to 107,175.03, 160,729.70 and 74,107.59

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Solution

The fourth proportional to 107,175.03, 160,729.70 and 74,107.59 is: 111,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,175.03 : 160,729.70 = 74,107.59 : x
  2. Step 2: Convert to fraction form
    107,175.03/160,729.70 = 74,107.59/x
  3. Step 3: Cross multiply
    107,175.03x = 160,729.70 × 74,107.59
  4. Step 4: Simplify right side
    107,175.03x = 11,911,290,708.42
  5. Step 5: Solve for x
    x = 11,911,290,708.42/107,175.03
  6. Step 6: Final answer
    x = 111,138.67

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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.