Home / 170,682.39-255,816.23-120,777.08

Finding the Fourth Proportional to 170,682.39, 255,816.23 and 120,777.08

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Solution

The fourth proportional to 170,682.39, 255,816.23 and 120,777.08 is: 181,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682.39 : 255,816.23 = 120,777.08 : x
  2. Step 2: Convert to fraction form
    170,682.39/255,816.23 = 120,777.08/x
  3. Step 3: Cross multiply
    170,682.39x = 255,816.23 × 120,777.08
  4. Step 4: Simplify right side
    170,682.39x = 30,896,735,393.04
  5. Step 5: Solve for x
    x = 30,896,735,393.04/170,682.39
  6. Step 6: Final answer
    x = 181,018.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.