Home / 189,204.90-261,166.03-112,747.98

Finding the Fourth Proportional to 189,204.90, 261,166.03 and 112,747.98

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Solution

The fourth proportional to 189,204.90, 261,166.03 and 112,747.98 is: 155,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,204.90 : 261,166.03 = 112,747.98 : x
  2. Step 2: Convert to fraction form
    189,204.90/261,166.03 = 112,747.98/x
  3. Step 3: Cross multiply
    189,204.90x = 261,166.03 × 112,747.98
  4. Step 4: Simplify right side
    189,204.90x = 29,445,942,749.92
  5. Step 5: Solve for x
    x = 29,445,942,749.92/189,204.90
  6. Step 6: Final answer
    x = 155,629.92

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1.5x scale

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.