Home / 236,194.55-325,941.98-128,764.56

Finding the Fourth Proportional to 236,194.55, 325,941.98 and 128,764.56

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Solution

The fourth proportional to 236,194.55, 325,941.98 and 128,764.56 is: 177,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,194.55 : 325,941.98 = 128,764.56 : x
  2. Step 2: Convert to fraction form
    236,194.55/325,941.98 = 128,764.56/x
  3. Step 3: Cross multiply
    236,194.55x = 325,941.98 × 128,764.56
  4. Step 4: Simplify right side
    236,194.55x = 41,969,774,010.52
  5. Step 5: Solve for x
    x = 41,969,774,010.52/236,194.55
  6. Step 6: Final answer
    x = 177,691.54

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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.