Home / 208,351.26-287,523.20-117,705.58

Finding the Fourth Proportional to 208,351.26, 287,523.20 and 117,705.58

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Solution

The fourth proportional to 208,351.26, 287,523.20 and 117,705.58 is: 162,432.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,351.26 : 287,523.20 = 117,705.58 : x
  2. Step 2: Convert to fraction form
    208,351.26/287,523.20 = 117,705.58/x
  3. Step 3: Cross multiply
    208,351.26x = 287,523.20 × 117,705.58
  4. Step 4: Simplify right side
    208,351.26x = 33,843,085,019.46
  5. Step 5: Solve for x
    x = 33,843,085,019.46/208,351.26
  6. Step 6: Final answer
    x = 162,432.83

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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.