Home / 133,172.75-183,778.40-73,560.59

Finding the Fourth Proportional to 133,172.75, 183,778.40 and 73,560.59

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Solution

The fourth proportional to 133,172.75, 183,778.40 and 73,560.59 is: 101,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,172.75 : 183,778.40 = 73,560.59 : x
  2. Step 2: Convert to fraction form
    133,172.75/183,778.40 = 73,560.59/x
  3. Step 3: Cross multiply
    133,172.75x = 183,778.40 × 73,560.59
  4. Step 4: Simplify right side
    133,172.75x = 13,518,847,533.26
  5. Step 5: Solve for x
    x = 13,518,847,533.26/133,172.75
  6. Step 6: Final answer
    x = 101,513.62

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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.