Home / 208,580.73-287,843.40-113,087.67

Finding the Fourth Proportional to 208,580.73, 287,843.40 and 113,087.67

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Solution

The fourth proportional to 208,580.73, 287,843.40 and 113,087.67 is: 156,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,580.73 : 287,843.40 = 113,087.67 : x
  2. Step 2: Convert to fraction form
    208,580.73/287,843.40 = 113,087.67/x
  3. Step 3: Cross multiply
    208,580.73x = 287,843.40 × 113,087.67
  4. Step 4: Simplify right side
    208,580.73x = 32,551,539,430.88
  5. Step 5: Solve for x
    x = 32,551,539,430.88/208,580.73
  6. Step 6: Final answer
    x = 156,062.06

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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.