Home / 189,539.07-261,469.53-113,004.29

Finding the Fourth Proportional to 189,539.07, 261,469.53 and 113,004.29

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Solution

The fourth proportional to 189,539.07, 261,469.53 and 113,004.29 is: 155,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,539.07 : 261,469.53 = 113,004.29 : x
  2. Step 2: Convert to fraction form
    189,539.07/261,469.53 = 113,004.29/x
  3. Step 3: Cross multiply
    189,539.07x = 261,469.53 × 113,004.29
  4. Step 4: Simplify right side
    189,539.07x = 29,547,177,286.94
  5. Step 5: Solve for x
    x = 29,547,177,286.94/189,539.07
  6. Step 6: Final answer
    x = 155,889.64

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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.