Home / 257,072.37-354,763.53-148,116.60

Finding the Fourth Proportional to 257,072.37, 354,763.53 and 148,116.60

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Solution

The fourth proportional to 257,072.37, 354,763.53 and 148,116.60 is: 204,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,072.37 : 354,763.53 = 148,116.60 : x
  2. Step 2: Convert to fraction form
    257,072.37/354,763.53 = 148,116.60/x
  3. Step 3: Cross multiply
    257,072.37x = 354,763.53 × 148,116.60
  4. Step 4: Simplify right side
    257,072.37x = 52,546,367,867.60
  5. Step 5: Solve for x
    x = 52,546,367,867.60/257,072.37
  6. Step 6: Final answer
    x = 204,403.02

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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.