Home / 133,263.07-183,902.59-72,833.69

Finding the Fourth Proportional to 133,263.07, 183,902.59 and 72,833.69

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Solution

The fourth proportional to 133,263.07, 183,902.59 and 72,833.69 is: 100,510.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.07 : 183,902.59 = 72,833.69 : x
  2. Step 2: Convert to fraction form
    133,263.07/183,902.59 = 72,833.69/x
  3. Step 3: Cross multiply
    133,263.07x = 183,902.59 × 72,833.69
  4. Step 4: Simplify right side
    133,263.07x = 13,394,304,230.26
  5. Step 5: Solve for x
    x = 13,394,304,230.26/133,263.07
  6. Step 6: Final answer
    x = 100,510.25

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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.