Home / 133,097.27-183,671.55-72,668.41

Finding the Fourth Proportional to 133,097.27, 183,671.55 and 72,668.41

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Solution

The fourth proportional to 133,097.27, 183,671.55 and 72,668.41 is: 100,280.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097.27 : 183,671.55 = 72,668.41 : x
  2. Step 2: Convert to fraction form
    133,097.27/183,671.55 = 72,668.41/x
  3. Step 3: Cross multiply
    133,097.27x = 183,671.55 × 72,668.41
  4. Step 4: Simplify right side
    133,097.27x = 13,347,119,500.74
  5. Step 5: Solve for x
    x = 13,347,119,500.74/133,097.27
  6. Step 6: Final answer
    x = 100,280.94

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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.