Home / 236,114.96-325,829.15-128,682.69

Finding the Fourth Proportional to 236,114.96, 325,829.15 and 128,682.69

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Solution

The fourth proportional to 236,114.96, 325,829.15 and 128,682.69 is: 177,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,114.96 : 325,829.15 = 128,682.69 : x
  2. Step 2: Convert to fraction form
    236,114.96/325,829.15 = 128,682.69/x
  3. Step 3: Cross multiply
    236,114.96x = 325,829.15 × 128,682.69
  4. Step 4: Simplify right side
    236,114.96x = 41,928,570,859.00
  5. Step 5: Solve for x
    x = 41,928,570,859.00/236,114.96
  6. Step 6: Final answer
    x = 177,576.94

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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.