Home / 188,458.22-260,074.53-103,575.42

Finding the Fourth Proportional to 188,458.22, 260,074.53 and 103,575.42

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Solution

The fourth proportional to 188,458.22, 260,074.53 and 103,575.42 is: 142,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,458.22 : 260,074.53 = 103,575.42 : x
  2. Step 2: Convert to fraction form
    188,458.22/260,074.53 = 103,575.42/x
  3. Step 3: Cross multiply
    188,458.22x = 260,074.53 × 103,575.42
  4. Step 4: Simplify right side
    188,458.22x = 26,937,328,676.05
  5. Step 5: Solve for x
    x = 26,937,328,676.05/188,458.22
  6. Step 6: Final answer
    x = 142,935.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.