Home / 208,569.58-287,826.35-113,076.50

Finding the Fourth Proportional to 208,569.58, 287,826.35 and 113,076.50

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Solution

The fourth proportional to 208,569.58, 287,826.35 and 113,076.50 is: 156,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,569.58 : 287,826.35 = 113,076.50 : x
  2. Step 2: Convert to fraction form
    208,569.58/287,826.35 = 113,076.50/x
  3. Step 3: Cross multiply
    208,569.58x = 287,826.35 × 113,076.50
  4. Step 4: Simplify right side
    208,569.58x = 32,546,394,261.26
  5. Step 5: Solve for x
    x = 32,546,394,261.26/208,569.58
  6. Step 6: Final answer
    x = 156,045.74

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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.