Home / 132,947.10-199,362.27-49,782.78

Finding the Fourth Proportional to 132,947.10, 199,362.27 and 49,782.78

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Solution

The fourth proportional to 132,947.10, 199,362.27 and 49,782.78 is: 74,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,947.10 : 199,362.27 = 49,782.78 : x
  2. Step 2: Convert to fraction form
    132,947.10/199,362.27 = 49,782.78/x
  3. Step 3: Cross multiply
    132,947.10x = 199,362.27 × 49,782.78
  4. Step 4: Simplify right side
    132,947.10x = 9,924,808,027.71
  5. Step 5: Solve for x
    x = 9,924,808,027.71/132,947.10
  6. Step 6: Final answer
    x = 74,652.31

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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.