Home / 318,220.44-439,149.66-174,986.52

Finding the Fourth Proportional to 318,220.44, 439,149.66 and 174,986.52

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Solution

The fourth proportional to 318,220.44, 439,149.66 and 174,986.52 is: 241,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,220.44 : 439,149.66 = 174,986.52 : x
  2. Step 2: Convert to fraction form
    318,220.44/439,149.66 = 174,986.52/x
  3. Step 3: Cross multiply
    318,220.44x = 439,149.66 × 174,986.52
  4. Step 4: Simplify right side
    318,220.44x = 76,845,270,762.58
  5. Step 5: Solve for x
    x = 76,845,270,762.58/318,220.44
  6. Step 6: Final answer
    x = 241,484.40

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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.