Home / 190,783.47-263,130.95-169,003.04

Finding the Fourth Proportional to 190,783.47, 263,130.95 and 169,003.04

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Solution

The fourth proportional to 190,783.47, 263,130.95 and 169,003.04 is: 233,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,783.47 : 263,130.95 = 169,003.04 : x
  2. Step 2: Convert to fraction form
    190,783.47/263,130.95 = 169,003.04/x
  3. Step 3: Cross multiply
    190,783.47x = 263,130.95 × 169,003.04
  4. Step 4: Simplify right side
    190,783.47x = 44,469,930,561.68
  5. Step 5: Solve for x
    x = 44,469,930,561.68/190,783.47
  6. Step 6: Final answer
    x = 233,091.11

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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.