Home / 133,057.46-183,619.90-72,629.44

Finding the Fourth Proportional to 133,057.46, 183,619.90 and 72,629.44

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Solution

The fourth proportional to 133,057.46, 183,619.90 and 72,629.44 is: 100,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.46 : 183,619.90 = 72,629.44 : x
  2. Step 2: Convert to fraction form
    133,057.46/183,619.90 = 72,629.44/x
  3. Step 3: Cross multiply
    133,057.46x = 183,619.90 × 72,629.44
  4. Step 4: Simplify right side
    133,057.46x = 13,336,210,509.86
  5. Step 5: Solve for x
    x = 13,336,210,509.86/133,057.46
  6. Step 6: Final answer
    x = 100,228.96

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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.