Home / 189,988.75-262,161.79-105,094.27

Finding the Fourth Proportional to 189,988.75, 262,161.79 and 105,094.27

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Solution

The fourth proportional to 189,988.75, 262,161.79 and 105,094.27 is: 145,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,988.75 : 262,161.79 = 105,094.27 : x
  2. Step 2: Convert to fraction form
    189,988.75/262,161.79 = 105,094.27/x
  3. Step 3: Cross multiply
    189,988.75x = 262,161.79 × 105,094.27
  4. Step 4: Simplify right side
    189,988.75x = 27,551,701,941.94
  5. Step 5: Solve for x
    x = 27,551,701,941.94/189,988.75
  6. Step 6: Final answer
    x = 145,017.54

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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.