Home / 255,212.32-352,185.62-142,032.64

Finding the Fourth Proportional to 255,212.32, 352,185.62 and 142,032.64

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Solution

The fourth proportional to 255,212.32, 352,185.62 and 142,032.64 is: 196,000.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,212.32 : 352,185.62 = 142,032.64 : x
  2. Step 2: Convert to fraction form
    255,212.32/352,185.62 = 142,032.64/x
  3. Step 3: Cross multiply
    255,212.32x = 352,185.62 × 142,032.64
  4. Step 4: Simplify right side
    255,212.32x = 50,021,853,378.64
  5. Step 5: Solve for x
    x = 50,021,853,378.64/255,212.32
  6. Step 6: Final answer
    x = 196,000.94

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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.