Home / 190,785.57-263,230.74-119,238.27

Finding the Fourth Proportional to 190,785.57, 263,230.74 and 119,238.27

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Solution

The fourth proportional to 190,785.57, 263,230.74 and 119,238.27 is: 164,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,785.57 : 263,230.74 = 119,238.27 : x
  2. Step 2: Convert to fraction form
    190,785.57/263,230.74 = 119,238.27/x
  3. Step 3: Cross multiply
    190,785.57x = 263,230.74 × 119,238.27
  4. Step 4: Simplify right side
    190,785.57x = 31,387,178,048.42
  5. Step 5: Solve for x
    x = 31,387,178,048.42/190,785.57
  6. Step 6: Final answer
    x = 164,515.47

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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.