Home / 192,533.64-265,615.06-128,891.94

Finding the Fourth Proportional to 192,533.64, 265,615.06 and 128,891.94

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Solution

The fourth proportional to 192,533.64, 265,615.06 and 128,891.94 is: 177,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,533.64 : 265,615.06 = 128,891.94 : x
  2. Step 2: Convert to fraction form
    192,533.64/265,615.06 = 128,891.94/x
  3. Step 3: Cross multiply
    192,533.64x = 265,615.06 × 128,891.94
  4. Step 4: Simplify right side
    192,533.64x = 34,235,640,376.62
  5. Step 5: Solve for x
    x = 34,235,640,376.62/192,533.64
  6. Step 6: Final answer
    x = 177,816.41

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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.