Home / 318,132.09-439,022.57-174,894.57

Finding the Fourth Proportional to 318,132.09, 439,022.57 and 174,894.57

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Solution

The fourth proportional to 318,132.09, 439,022.57 and 174,894.57 is: 241,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,132.09 : 439,022.57 = 174,894.57 : x
  2. Step 2: Convert to fraction form
    318,132.09/439,022.57 = 174,894.57/x
  3. Step 3: Cross multiply
    318,132.09x = 439,022.57 × 174,894.57
  4. Step 4: Simplify right side
    318,132.09x = 76,782,662,725.97
  5. Step 5: Solve for x
    x = 76,782,662,725.97/318,132.09
  6. Step 6: Final answer
    x = 241,354.66

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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.