Home / 174,736.72-261,660.39-115,483.60

Finding the Fourth Proportional to 174,736.72, 261,660.39 and 115,483.60

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Solution

The fourth proportional to 174,736.72, 261,660.39 and 115,483.60 is: 172,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,736.72 : 261,660.39 = 115,483.60 : x
  2. Step 2: Convert to fraction form
    174,736.72/261,660.39 = 115,483.60/x
  3. Step 3: Cross multiply
    174,736.72x = 261,660.39 × 115,483.60
  4. Step 4: Simplify right side
    174,736.72x = 30,217,483,814.60
  5. Step 5: Solve for x
    x = 30,217,483,814.60/174,736.72
  6. Step 6: Final answer
    x = 172,931.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.