Home / 317,947.95-438,768.09-174,717.27

Finding the Fourth Proportional to 317,947.95, 438,768.09 and 174,717.27

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Solution

The fourth proportional to 317,947.95, 438,768.09 and 174,717.27 is: 241,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,947.95 : 438,768.09 = 174,717.27 : x
  2. Step 2: Convert to fraction form
    317,947.95/438,768.09 = 174,717.27/x
  3. Step 3: Cross multiply
    317,947.95x = 438,768.09 × 174,717.27
  4. Step 4: Simplify right side
    317,947.95x = 76,660,362,847.91
  5. Step 5: Solve for x
    x = 76,660,362,847.91/317,947.95
  6. Step 6: Final answer
    x = 241,109.79

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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.