Home / 190,652.15-262,990.66-118,907.62

Finding the Fourth Proportional to 190,652.15, 262,990.66 and 118,907.62

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Solution

The fourth proportional to 190,652.15, 262,990.66 and 118,907.62 is: 164,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,652.15 : 262,990.66 = 118,907.62 : x
  2. Step 2: Convert to fraction form
    190,652.15/262,990.66 = 118,907.62/x
  3. Step 3: Cross multiply
    190,652.15x = 262,990.66 × 118,907.62
  4. Step 4: Simplify right side
    190,652.15x = 31,271,591,850.61
  5. Step 5: Solve for x
    x = 31,271,591,850.61/190,652.15
  6. Step 6: Final answer
    x = 164,024.33

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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.