Home / 126,146.48-174,082.08-69,558.80

Finding the Fourth Proportional to 126,146.48, 174,082.08 and 69,558.80

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Solution

The fourth proportional to 126,146.48, 174,082.08 and 69,558.80 is: 95,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,146.48 : 174,082.08 = 69,558.80 : x
  2. Step 2: Convert to fraction form
    126,146.48/174,082.08 = 69,558.80/x
  3. Step 3: Cross multiply
    126,146.48x = 174,082.08 × 69,558.80
  4. Step 4: Simplify right side
    126,146.48x = 12,108,940,586.30
  5. Step 5: Solve for x
    x = 12,108,940,586.30/126,146.48
  6. Step 6: Final answer
    x = 95,991.11

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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.