Home / 208,177.21-287,283.54-117,532.27

Finding the Fourth Proportional to 208,177.21, 287,283.54 and 117,532.27

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Solution

The fourth proportional to 208,177.21, 287,283.54 and 117,532.27 is: 162,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,177.21 : 287,283.54 = 117,532.27 : x
  2. Step 2: Convert to fraction form
    208,177.21/287,283.54 = 117,532.27/x
  3. Step 3: Cross multiply
    208,177.21x = 287,283.54 × 117,532.27
  4. Step 4: Simplify right side
    208,177.21x = 33,765,086,589.84
  5. Step 5: Solve for x
    x = 33,765,086,589.84/208,177.21
  6. Step 6: Final answer
    x = 162,193.96

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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.