Home / 133,221.19-183,927.26-85,558.56

Finding the Fourth Proportional to 133,221.19, 183,927.26 and 85,558.56

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Solution

The fourth proportional to 133,221.19, 183,927.26 and 85,558.56 is: 118,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,221.19 : 183,927.26 = 85,558.56 : x
  2. Step 2: Convert to fraction form
    133,221.19/183,927.26 = 85,558.56/x
  3. Step 3: Cross multiply
    133,221.19x = 183,927.26 × 85,558.56
  4. Step 4: Simplify right side
    133,221.19x = 15,736,551,082.55
  5. Step 5: Solve for x
    x = 15,736,551,082.55/133,221.19
  6. Step 6: Final answer
    x = 118,123.49

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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.