Home / 180,135.15-248,620.77-118,773.42

Finding the Fourth Proportional to 180,135.15, 248,620.77 and 118,773.42

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Solution

The fourth proportional to 180,135.15, 248,620.77 and 118,773.42 is: 163,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,135.15 : 248,620.77 = 118,773.42 : x
  2. Step 2: Convert to fraction form
    180,135.15/248,620.77 = 118,773.42/x
  3. Step 3: Cross multiply
    180,135.15x = 248,620.77 × 118,773.42
  4. Step 4: Simplify right side
    180,135.15x = 29,529,539,135.93
  5. Step 5: Solve for x
    x = 29,529,539,135.93/180,135.15
  6. Step 6: Final answer
    x = 163,929.91

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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.