Home / 254,841.57-351,673.88-140,120.36

Finding the Fourth Proportional to 254,841.57, 351,673.88 and 140,120.36

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Solution

The fourth proportional to 254,841.57, 351,673.88 and 140,120.36 is: 193,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,841.57 : 351,673.88 = 140,120.36 : x
  2. Step 2: Convert to fraction form
    254,841.57/351,673.88 = 140,120.36/x
  3. Step 3: Cross multiply
    254,841.57x = 351,673.88 × 140,120.36
  4. Step 4: Simplify right side
    254,841.57x = 49,276,670,668.20
  5. Step 5: Solve for x
    x = 49,276,670,668.20/254,841.57
  6. Step 6: Final answer
    x = 193,361.98

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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.