Home / 188,621.04-260,298.80-102,580.85

Finding the Fourth Proportional to 188,621.04, 260,298.80 and 102,580.85

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Solution

The fourth proportional to 188,621.04, 260,298.80 and 102,580.85 is: 141,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,621.04 : 260,298.80 = 102,580.85 : x
  2. Step 2: Convert to fraction form
    188,621.04/260,298.80 = 102,580.85/x
  3. Step 3: Cross multiply
    188,621.04x = 260,298.80 × 102,580.85
  4. Step 4: Simplify right side
    188,621.04x = 26,701,672,157.98
  5. Step 5: Solve for x
    x = 26,701,672,157.98/188,621.04
  6. Step 6: Final answer
    x = 141,562.53

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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.