Home / 106,574.30-159,861.45-102,023.90

Finding the Fourth Proportional to 106,574.30, 159,861.45 and 102,023.90

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Solution

The fourth proportional to 106,574.30, 159,861.45 and 102,023.90 is: 153,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,574.30 : 159,861.45 = 102,023.90 : x
  2. Step 2: Convert to fraction form
    106,574.30/159,861.45 = 102,023.90/x
  3. Step 3: Cross multiply
    106,574.30x = 159,861.45 × 102,023.90
  4. Step 4: Simplify right side
    106,574.30x = 16,309,688,588.66
  5. Step 5: Solve for x
    x = 16,309,688,588.66/106,574.30
  6. Step 6: Final answer
    x = 153,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.