Home / 188,785.08-283,168.38-70,447.19

Finding the Fourth Proportional to 188,785.08, 283,168.38 and 70,447.19

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Solution

The fourth proportional to 188,785.08, 283,168.38 and 70,447.19 is: 105,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,785.08 : 283,168.38 = 70,447.19 : x
  2. Step 2: Convert to fraction form
    188,785.08/283,168.38 = 70,447.19/x
  3. Step 3: Cross multiply
    188,785.08x = 283,168.38 × 70,447.19
  4. Step 4: Simplify right side
    188,785.08x = 19,948,416,667.85
  5. Step 5: Solve for x
    x = 19,948,416,667.85/188,785.08
  6. Step 6: Final answer
    x = 105,667.34

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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.