Home / 318,109.23-438,991.26-174,870.18

Finding the Fourth Proportional to 318,109.23, 438,991.26 and 174,870.18

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Solution

The fourth proportional to 318,109.23, 438,991.26 and 174,870.18 is: 241,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,109.23 : 438,991.26 = 174,870.18 : x
  2. Step 2: Convert to fraction form
    318,109.23/438,991.26 = 174,870.18/x
  3. Step 3: Cross multiply
    318,109.23x = 438,991.26 × 174,870.18
  4. Step 4: Simplify right side
    318,109.23x = 76,766,480,654.63
  5. Step 5: Solve for x
    x = 76,766,480,654.63/318,109.23
  6. Step 6: Final answer
    x = 241,321.14

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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.