Home / 133,099.27-183,674.31-72,670.41

Finding the Fourth Proportional to 133,099.27, 183,674.31 and 72,670.41

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Solution

The fourth proportional to 133,099.27, 183,674.31 and 72,670.41 is: 100,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.27 : 183,674.31 = 72,670.41 : x
  2. Step 2: Convert to fraction form
    133,099.27/183,674.31 = 72,670.41/x
  3. Step 3: Cross multiply
    133,099.27x = 183,674.31 × 72,670.41
  4. Step 4: Simplify right side
    133,099.27x = 13,347,687,414.17
  5. Step 5: Solve for x
    x = 13,347,687,414.17/133,099.27
  6. Step 6: Final answer
    x = 100,283.70

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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.