Home / 313,562.06-432,549.77-198,637.94

Finding the Fourth Proportional to 313,562.06, 432,549.77 and 198,637.94

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Solution

The fourth proportional to 313,562.06, 432,549.77 and 198,637.94 is: 274,015.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,562.06 : 432,549.77 = 198,637.94 : x
  2. Step 2: Convert to fraction form
    313,562.06/432,549.77 = 198,637.94/x
  3. Step 3: Cross multiply
    313,562.06x = 432,549.77 × 198,637.94
  4. Step 4: Simplify right side
    313,562.06x = 85,920,795,260.27
  5. Step 5: Solve for x
    x = 85,920,795,260.27/313,562.06
  6. Step 6: Final answer
    x = 274,015.28

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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.