Home / 307,416.03-424,233.23-171,450.15

Finding the Fourth Proportional to 307,416.03, 424,233.23 and 171,450.15

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Solution

The fourth proportional to 307,416.03, 424,233.23 and 171,450.15 is: 236,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,416.03 : 424,233.23 = 171,450.15 : x
  2. Step 2: Convert to fraction form
    307,416.03/424,233.23 = 171,450.15/x
  3. Step 3: Cross multiply
    307,416.03x = 424,233.23 × 171,450.15
  4. Step 4: Simplify right side
    307,416.03x = 72,734,850,061.23
  5. Step 5: Solve for x
    x = 72,734,850,061.23/307,416.03
  6. Step 6: Final answer
    x = 236,600.71

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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.