Home / 313,561.06-432,548.39-198,636.94

Finding the Fourth Proportional to 313,561.06, 432,548.39 and 198,636.94

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Solution

The fourth proportional to 313,561.06, 432,548.39 and 198,636.94 is: 274,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,561.06 : 432,548.39 = 198,636.94 : x
  2. Step 2: Convert to fraction form
    313,561.06/432,548.39 = 198,636.94/x
  3. Step 3: Cross multiply
    313,561.06x = 432,548.39 × 198,636.94
  4. Step 4: Simplify right side
    313,561.06x = 85,920,088,591.53
  5. Step 5: Solve for x
    x = 85,920,088,591.53/313,561.06
  6. Step 6: Final answer
    x = 274,013.90

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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.