Home / 133,216.32-183,829.70-75,861.50

Finding the Fourth Proportional to 133,216.32, 183,829.70 and 75,861.50

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Solution

The fourth proportional to 133,216.32, 183,829.70 and 75,861.50 is: 104,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,216.32 : 183,829.70 = 75,861.50 : x
  2. Step 2: Convert to fraction form
    133,216.32/183,829.70 = 75,861.50/x
  3. Step 3: Cross multiply
    133,216.32x = 183,829.70 × 75,861.50
  4. Step 4: Simplify right side
    133,216.32x = 13,945,596,786.55
  5. Step 5: Solve for x
    x = 13,945,596,786.55/133,216.32
  6. Step 6: Final answer
    x = 104,683.85

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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.