Home / 133,263.96-183,908.52-72,833.28

Finding the Fourth Proportional to 133,263.96, 183,908.52 and 72,833.28

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Solution

The fourth proportional to 133,263.96, 183,908.52 and 72,833.28 is: 100,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.96 : 183,908.52 = 72,833.28 : x
  2. Step 2: Convert to fraction form
    133,263.96/183,908.52 = 72,833.28/x
  3. Step 3: Cross multiply
    133,263.96x = 183,908.52 × 72,833.28
  4. Step 4: Simplify right side
    133,263.96x = 13,394,660,731.55
  5. Step 5: Solve for x
    x = 13,394,660,731.55/133,263.96
  6. Step 6: Final answer
    x = 100,512.25

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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.