Home / 124,428.05-185,733.69-106,772.17

Finding the Fourth Proportional to 124,428.05, 185,733.69 and 106,772.17

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Solution

The fourth proportional to 124,428.05, 185,733.69 and 106,772.17 is: 159,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.05 : 185,733.69 = 106,772.17 : x
  2. Step 2: Convert to fraction form
    124,428.05/185,733.69 = 106,772.17/x
  3. Step 3: Cross multiply
    124,428.05x = 185,733.69 × 106,772.17
  4. Step 4: Simplify right side
    124,428.05x = 19,831,188,685.15
  5. Step 5: Solve for x
    x = 19,831,188,685.15/124,428.05
  6. Step 6: Final answer
    x = 159,378.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.