Home / 106,187.72-146,538.96-58,441.10

Finding the Fourth Proportional to 106,187.72, 146,538.96 and 58,441.10

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Solution

The fourth proportional to 106,187.72, 146,538.96 and 58,441.10 is: 80,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,187.72 : 146,538.96 = 58,441.10 : x
  2. Step 2: Convert to fraction form
    106,187.72/146,538.96 = 58,441.10/x
  3. Step 3: Cross multiply
    106,187.72x = 146,538.96 × 58,441.10
  4. Step 4: Simplify right side
    106,187.72x = 8,563,898,015.26
  5. Step 5: Solve for x
    x = 8,563,898,015.26/106,187.72
  6. Step 6: Final answer
    x = 80,648.67

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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.