Home / 190,783.72-263,282.56-119,205.28

Finding the Fourth Proportional to 190,783.72, 263,282.56 and 119,205.28

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Solution

The fourth proportional to 190,783.72, 263,282.56 and 119,205.28 is: 164,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,783.72 : 263,282.56 = 119,205.28 : x
  2. Step 2: Convert to fraction form
    190,783.72/263,282.56 = 119,205.28/x
  3. Step 3: Cross multiply
    190,783.72x = 263,282.56 × 119,205.28
  4. Step 4: Simplify right side
    190,783.72x = 31,384,671,283.92
  5. Step 5: Solve for x
    x = 31,384,671,283.92/190,783.72
  6. Step 6: Final answer
    x = 164,503.93

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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.