Home / 236,080.85-325,782.06-128,648.57

Finding the Fourth Proportional to 236,080.85, 325,782.06 and 128,648.57

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Solution

The fourth proportional to 236,080.85, 325,782.06 and 128,648.57 is: 177,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,080.85 : 325,782.06 = 128,648.57 : x
  2. Step 2: Convert to fraction form
    236,080.85/325,782.06 = 128,648.57/x
  3. Step 3: Cross multiply
    236,080.85x = 325,782.06 × 128,648.57
  4. Step 4: Simplify right side
    236,080.85x = 41,911,394,521.74
  5. Step 5: Solve for x
    x = 41,911,394,521.74/236,080.85
  6. Step 6: Final answer
    x = 177,529.84

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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.