Home / 321,905.33-444,212.75-191,088.47

Finding the Fourth Proportional to 321,905.33, 444,212.75 and 191,088.47

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Solution

The fourth proportional to 321,905.33, 444,212.75 and 191,088.47 is: 263,692.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,905.33 : 444,212.75 = 191,088.47 : x
  2. Step 2: Convert to fraction form
    321,905.33/444,212.75 = 191,088.47/x
  3. Step 3: Cross multiply
    321,905.33x = 444,212.75 × 191,088.47
  4. Step 4: Simplify right side
    321,905.33x = 84,883,931,575.49
  5. Step 5: Solve for x
    x = 84,883,931,575.49/321,905.33
  6. Step 6: Final answer
    x = 263,692.23

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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.