Home / 257,182.36-354,899.26-142,453.24

Finding the Fourth Proportional to 257,182.36, 354,899.26 and 142,453.24

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Solution

The fourth proportional to 257,182.36, 354,899.26 and 142,453.24 is: 196,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,182.36 : 354,899.26 = 142,453.24 : x
  2. Step 2: Convert to fraction form
    257,182.36/354,899.26 = 142,453.24/x
  3. Step 3: Cross multiply
    257,182.36x = 354,899.26 × 142,453.24
  4. Step 4: Simplify right side
    257,182.36x = 50,556,549,460.60
  5. Step 5: Solve for x
    x = 50,556,549,460.60/257,182.36
  6. Step 6: Final answer
    x = 196,578.60

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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.