Home / 257,074.55-354,762.64-142,353.18

Finding the Fourth Proportional to 257,074.55, 354,762.64 and 142,353.18

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Solution

The fourth proportional to 257,074.55, 354,762.64 and 142,353.18 is: 196,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,074.55 : 354,762.64 = 142,353.18 : x
  2. Step 2: Convert to fraction form
    257,074.55/354,762.64 = 142,353.18/x
  3. Step 3: Cross multiply
    257,074.55x = 354,762.64 × 142,353.18
  4. Step 4: Simplify right side
    257,074.55x = 50,501,589,593.31
  5. Step 5: Solve for x
    x = 50,501,589,593.31/257,074.55
  6. Step 6: Final answer
    x = 196,447.26

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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.