Home / 190,908.64-263,514.36-134,485.12

Finding the Fourth Proportional to 190,908.64, 263,514.36 and 134,485.12

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Solution

The fourth proportional to 190,908.64, 263,514.36 and 134,485.12 is: 185,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908.64 : 263,514.36 = 134,485.12 : x
  2. Step 2: Convert to fraction form
    190,908.64/263,514.36 = 134,485.12/x
  3. Step 3: Cross multiply
    190,908.64x = 263,514.36 × 134,485.12
  4. Step 4: Simplify right side
    190,908.64x = 35,438,760,326.32
  5. Step 5: Solve for x
    x = 35,438,760,326.32/190,908.64
  6. Step 6: Final answer
    x = 185,632.04

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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.