Home / 106,183.59-159,275.22-72,802.46

Finding the Fourth Proportional to 106,183.59, 159,275.22 and 72,802.46

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Solution

The fourth proportional to 106,183.59, 159,275.22 and 72,802.46 is: 109,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,183.59 : 159,275.22 = 72,802.46 : x
  2. Step 2: Convert to fraction form
    106,183.59/159,275.22 = 72,802.46/x
  3. Step 3: Cross multiply
    106,183.59x = 159,275.22 × 72,802.46
  4. Step 4: Simplify right side
    106,183.59x = 11,595,627,036.67
  5. Step 5: Solve for x
    x = 11,595,627,036.67/106,183.59
  6. Step 6: Final answer
    x = 109,203.57

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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.