Home / 186,408.92-257,277.67-109,923.38

Finding the Fourth Proportional to 186,408.92, 257,277.67 and 109,923.38

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Solution

The fourth proportional to 186,408.92, 257,277.67 and 109,923.38 is: 151,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,408.92 : 257,277.67 = 109,923.38 : x
  2. Step 2: Convert to fraction form
    186,408.92/257,277.67 = 109,923.38/x
  3. Step 3: Cross multiply
    186,408.92x = 257,277.67 × 109,923.38
  4. Step 4: Simplify right side
    186,408.92x = 28,280,831,084.92
  5. Step 5: Solve for x
    x = 28,280,831,084.92/186,408.92
  6. Step 6: Final answer
    x = 151,713.94

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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.