Home / 208,596.12-287,860.60-113,101.17

Finding the Fourth Proportional to 208,596.12, 287,860.60 and 113,101.17

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Solution

The fourth proportional to 208,596.12, 287,860.60 and 113,101.17 is: 156,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,596.12 : 287,860.60 = 113,101.17 : x
  2. Step 2: Convert to fraction form
    208,596.12/287,860.60 = 113,101.17/x
  3. Step 3: Cross multiply
    208,596.12x = 287,860.60 × 113,101.17
  4. Step 4: Simplify right side
    208,596.12x = 32,557,370,656.90
  5. Step 5: Solve for x
    x = 32,557,370,656.90/208,596.12
  6. Step 6: Final answer
    x = 156,078.51

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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.