Home / 188,538.58-260,188.32-102,503.44

Finding the Fourth Proportional to 188,538.58, 260,188.32 and 102,503.44

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Solution

The fourth proportional to 188,538.58, 260,188.32 and 102,503.44 is: 141,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,538.58 : 260,188.32 = 102,503.44 : x
  2. Step 2: Convert to fraction form
    188,538.58/260,188.32 = 102,503.44/x
  3. Step 3: Cross multiply
    188,538.58x = 260,188.32 × 102,503.44
  4. Step 4: Simplify right side
    188,538.58x = 26,670,197,847.82
  5. Step 5: Solve for x
    x = 26,670,197,847.82/188,538.58
  6. Step 6: Final answer
    x = 141,457.51

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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.