Home / 108,768.76-163,184.73-38,653.54

Finding the Fourth Proportional to 108,768.76, 163,184.73 and 38,653.54

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Solution

The fourth proportional to 108,768.76, 163,184.73 and 38,653.54 is: 57,991.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,768.76 : 163,184.73 = 38,653.54 : x
  2. Step 2: Convert to fraction form
    108,768.76/163,184.73 = 38,653.54/x
  3. Step 3: Cross multiply
    108,768.76x = 163,184.73 × 38,653.54
  4. Step 4: Simplify right side
    108,768.76x = 6,307,667,488.44
  5. Step 5: Solve for x
    x = 6,307,667,488.44/108,768.76
  6. Step 6: Final answer
    x = 57,991.54

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1.5x scale

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.