Home / 236,208.64-325,958.32-128,776.56

Finding the Fourth Proportional to 236,208.64, 325,958.32 and 128,776.56

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Solution

The fourth proportional to 236,208.64, 325,958.32 and 128,776.56 is: 177,706.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,208.64 : 325,958.32 = 128,776.56 : x
  2. Step 2: Convert to fraction form
    236,208.64/325,958.32 = 128,776.56/x
  3. Step 3: Cross multiply
    236,208.64x = 325,958.32 × 128,776.56
  4. Step 4: Simplify right side
    236,208.64x = 41,975,791,152.98
  5. Step 5: Solve for x
    x = 41,975,791,152.98/236,208.64
  6. Step 6: Final answer
    x = 177,706.42

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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.