Home / 189,944.94-262,204.74-118,360.38

Finding the Fourth Proportional to 189,944.94, 262,204.74 and 118,360.38

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Solution

The fourth proportional to 189,944.94, 262,204.74 and 118,360.38 is: 163,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,944.94 : 262,204.74 = 118,360.38 : x
  2. Step 2: Convert to fraction form
    189,944.94/262,204.74 = 118,360.38/x
  3. Step 3: Cross multiply
    189,944.94x = 262,204.74 × 118,360.38
  4. Step 4: Simplify right side
    189,944.94x = 31,034,652,664.20
  5. Step 5: Solve for x
    x = 31,034,652,664.20/189,944.94
  6. Step 6: Final answer
    x = 163,387.63

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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.