Home / 318,105.04-438,991.23-174,878.41

Finding the Fourth Proportional to 318,105.04, 438,991.23 and 174,878.41

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Solution

The fourth proportional to 318,105.04, 438,991.23 and 174,878.41 is: 241,335.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,105.04 : 438,991.23 = 174,878.41 : x
  2. Step 2: Convert to fraction form
    318,105.04/438,991.23 = 174,878.41/x
  3. Step 3: Cross multiply
    318,105.04x = 438,991.23 × 174,878.41
  4. Step 4: Simplify right side
    318,105.04x = 76,770,088,306.34
  5. Step 5: Solve for x
    x = 76,770,088,306.34/318,105.04
  6. Step 6: Final answer
    x = 241,335.66

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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.