Home / 106,182.12-159,371.60-53,628.51

Finding the Fourth Proportional to 106,182.12, 159,371.60 and 53,628.51

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Solution

The fourth proportional to 106,182.12, 159,371.60 and 53,628.51 is: 80,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,182.12 : 159,371.60 = 53,628.51 : x
  2. Step 2: Convert to fraction form
    106,182.12/159,371.60 = 53,628.51/x
  3. Step 3: Cross multiply
    106,182.12x = 159,371.60 × 53,628.51
  4. Step 4: Simplify right side
    106,182.12x = 8,546,861,176.17
  5. Step 5: Solve for x
    x = 8,546,861,176.17/106,182.12
  6. Step 6: Final answer
    x = 80,492.47

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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.