Home / 313,561.29-432,548.73-198,637.22

Finding the Fourth Proportional to 313,561.29, 432,548.73 and 198,637.22

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Solution

The fourth proportional to 313,561.29, 432,548.73 and 198,637.22 is: 274,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,561.29 : 432,548.73 = 198,637.22 : x
  2. Step 2: Convert to fraction form
    313,561.29/432,548.73 = 198,637.22/x
  3. Step 3: Cross multiply
    313,561.29x = 432,548.73 × 198,637.22
  4. Step 4: Simplify right side
    313,561.29x = 85,920,275,078.99
  5. Step 5: Solve for x
    x = 85,920,275,078.99/313,561.29
  6. Step 6: Final answer
    x = 274,014.29

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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.