Home / 133,262.39-183,902.42-72,833.76

Finding the Fourth Proportional to 133,262.39, 183,902.42 and 72,833.76

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Solution

The fourth proportional to 133,262.39, 183,902.42 and 72,833.76 is: 100,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.39 : 183,902.42 = 72,833.76 : x
  2. Step 2: Convert to fraction form
    133,262.39/183,902.42 = 72,833.76/x
  3. Step 3: Cross multiply
    133,262.39x = 183,902.42 × 72,833.76
  4. Step 4: Simplify right side
    133,262.39x = 13,394,304,357.53
  5. Step 5: Solve for x
    x = 13,394,304,357.53/133,262.39
  6. Step 6: Final answer
    x = 100,510.77

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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.