Home / 235,512.45-325,009.56-128,084.85

Finding the Fourth Proportional to 235,512.45, 325,009.56 and 128,084.85

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Solution

The fourth proportional to 235,512.45, 325,009.56 and 128,084.85 is: 176,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,512.45 : 325,009.56 = 128,084.85 : x
  2. Step 2: Convert to fraction form
    235,512.45/325,009.56 = 128,084.85/x
  3. Step 3: Cross multiply
    235,512.45x = 325,009.56 × 128,084.85
  4. Step 4: Simplify right side
    235,512.45x = 41,628,801,221.48
  5. Step 5: Solve for x
    x = 41,628,801,221.48/235,512.45
  6. Step 6: Final answer
    x = 176,758.39

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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.