Home / 329,012.48-454,038.66-178,109.48

Finding the Fourth Proportional to 329,012.48, 454,038.66 and 178,109.48

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Solution

The fourth proportional to 329,012.48, 454,038.66 and 178,109.48 is: 245,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,012.48 : 454,038.66 = 178,109.48 : x
  2. Step 2: Convert to fraction form
    329,012.48/454,038.66 = 178,109.48/x
  3. Step 3: Cross multiply
    329,012.48x = 454,038.66 × 178,109.48
  4. Step 4: Simplify right side
    329,012.48x = 80,868,589,632.50
  5. Step 5: Solve for x
    x = 80,868,589,632.50/329,012.48
  6. Step 6: Final answer
    x = 245,791.86

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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.