Home / 208,848.20-313,272.30-120,374.60

Finding the Fourth Proportional to 208,848.20, 313,272.30 and 120,374.60

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Solution

The fourth proportional to 208,848.20, 313,272.30 and 120,374.60 is: 180,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,848.20 : 313,272.30 = 120,374.60 : x
  2. Step 2: Convert to fraction form
    208,848.20/313,272.30 = 120,374.60/x
  3. Step 3: Cross multiply
    208,848.20x = 313,272.30 × 120,374.60
  4. Step 4: Simplify right side
    208,848.20x = 37,710,027,803.58
  5. Step 5: Solve for x
    x = 37,710,027,803.58/208,848.20
  6. Step 6: Final answer
    x = 180,561.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.