Home / 208,107.24-287,188.95-117,467.04

Finding the Fourth Proportional to 208,107.24, 287,188.95 and 117,467.04

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Solution

The fourth proportional to 208,107.24, 287,188.95 and 117,467.04 is: 162,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,107.24 : 287,188.95 = 117,467.04 : x
  2. Step 2: Convert to fraction form
    208,107.24/287,188.95 = 117,467.04/x
  3. Step 3: Cross multiply
    208,107.24x = 287,188.95 × 117,467.04
  4. Step 4: Simplify right side
    208,107.24x = 33,735,235,877.21
  5. Step 5: Solve for x
    x = 33,735,235,877.21/208,107.24
  6. Step 6: Final answer
    x = 162,105.06

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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.