Home / 257,212.44-354,974.98-142,527.06

Finding the Fourth Proportional to 257,212.44, 354,974.98 and 142,527.06

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Solution

The fourth proportional to 257,212.44, 354,974.98 and 142,527.06 is: 196,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,212.44 : 354,974.98 = 142,527.06 : x
  2. Step 2: Convert to fraction form
    257,212.44/354,974.98 = 142,527.06/x
  3. Step 3: Cross multiply
    257,212.44x = 354,974.98 × 142,527.06
  4. Step 4: Simplify right side
    257,212.44x = 50,593,539,916.64
  5. Step 5: Solve for x
    x = 50,593,539,916.64/257,212.44
  6. Step 6: Final answer
    x = 196,699.43

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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.