Home / 318,196.96-439,100-174,948.48

Finding the Fourth Proportional to 318,196.96, 439,100 and 174,948.48

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Solution

The fourth proportional to 318,196.96, 439,100 and 174,948.48 is: 241,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,196.96 : 439,100 = 174,948.48 : x
  2. Step 2: Convert to fraction form
    318,196.96/439,100 = 174,948.48/x
  3. Step 3: Cross multiply
    318,196.96x = 439,100 × 174,948.48
  4. Step 4: Simplify right side
    318,196.96x = 76,819,877,568
  5. Step 5: Solve for x
    x = 76,819,877,568/318,196.96
  6. Step 6: Final answer
    x = 241,422.41

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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.