Home / 215,969.22-298,035.45-119,173.95

Finding the Fourth Proportional to 215,969.22, 298,035.45 and 119,173.95

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Solution

The fourth proportional to 215,969.22, 298,035.45 and 119,173.95 is: 164,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,969.22 : 298,035.45 = 119,173.95 : x
  2. Step 2: Convert to fraction form
    215,969.22/298,035.45 = 119,173.95/x
  3. Step 3: Cross multiply
    215,969.22x = 298,035.45 × 119,173.95
  4. Step 4: Simplify right side
    215,969.22x = 35,518,061,816.53
  5. Step 5: Solve for x
    x = 35,518,061,816.53/215,969.22
  6. Step 6: Final answer
    x = 164,458.91

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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.