Home / 208,583.84-287,844.32-113,090.24

Finding the Fourth Proportional to 208,583.84, 287,844.32 and 113,090.24

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Solution

The fourth proportional to 208,583.84, 287,844.32 and 113,090.24 is: 156,063.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,583.84 : 287,844.32 = 113,090.24 : x
  2. Step 2: Convert to fraction form
    208,583.84/287,844.32 = 113,090.24/x
  3. Step 3: Cross multiply
    208,583.84x = 287,844.32 × 113,090.24
  4. Step 4: Simplify right side
    208,583.84x = 32,552,383,231.44
  5. Step 5: Solve for x
    x = 32,552,383,231.44/208,583.84
  6. Step 6: Final answer
    x = 156,063.78

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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.