Home / 358,947.60-538,324.20-106,227.60

Finding the Fourth Proportional to 358,947.60, 538,324.20 and 106,227.60

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Solution

The fourth proportional to 358,947.60, 538,324.20 and 106,227.60 is: 159,312.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947.60 : 538,324.20 = 106,227.60 : x
  2. Step 2: Convert to fraction form
    358,947.60/538,324.20 = 106,227.60/x
  3. Step 3: Cross multiply
    358,947.60x = 538,324.20 × 106,227.60
  4. Step 4: Simplify right side
    358,947.60x = 57,184,887,787.92
  5. Step 5: Solve for x
    x = 57,184,887,787.92/358,947.60
  6. Step 6: Final answer
    x = 159,312.63

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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.