Home / 313,845.75-433,098.01-177,892.21

Finding the Fourth Proportional to 313,845.75, 433,098.01 and 177,892.21

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Solution

The fourth proportional to 313,845.75, 433,098.01 and 177,892.21 is: 245,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,845.75 : 433,098.01 = 177,892.21 : x
  2. Step 2: Convert to fraction form
    313,845.75/433,098.01 = 177,892.21/x
  3. Step 3: Cross multiply
    313,845.75x = 433,098.01 × 177,892.21
  4. Step 4: Simplify right side
    313,845.75x = 77,044,760,618.03
  5. Step 5: Solve for x
    x = 77,044,760,618.03/313,845.75
  6. Step 6: Final answer
    x = 245,486.07

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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.