Home / 188,558.21-260,214.78-102,522.11

Finding the Fourth Proportional to 188,558.21, 260,214.78 and 102,522.11

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Solution

The fourth proportional to 188,558.21, 260,214.78 and 102,522.11 is: 141,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,558.21 : 260,214.78 = 102,522.11 : x
  2. Step 2: Convert to fraction form
    188,558.21/260,214.78 = 102,522.11/x
  3. Step 3: Cross multiply
    188,558.21x = 260,214.78 × 102,522.11
  4. Step 4: Simplify right side
    188,558.21x = 26,677,768,298.79
  5. Step 5: Solve for x
    x = 26,677,768,298.79/188,558.21
  6. Step 6: Final answer
    x = 141,482.93

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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.