Home / 307,874.03-424,873.37-171,903.38

Finding the Fourth Proportional to 307,874.03, 424,873.37 and 171,903.38

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Solution

The fourth proportional to 307,874.03, 424,873.37 and 171,903.38 is: 237,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,874.03 : 424,873.37 = 171,903.38 : x
  2. Step 2: Convert to fraction form
    307,874.03/424,873.37 = 171,903.38/x
  3. Step 3: Cross multiply
    307,874.03x = 424,873.37 × 171,903.38
  4. Step 4: Simplify right side
    307,874.03x = 73,037,165,391.11
  5. Step 5: Solve for x
    x = 73,037,165,391.11/307,874.03
  6. Step 6: Final answer
    x = 237,230.68

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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.