Home / 132,826.66-183,299.62-72,397.30

Finding the Fourth Proportional to 132,826.66, 183,299.62 and 72,397.30

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Solution

The fourth proportional to 132,826.66, 183,299.62 and 72,397.30 is: 99,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,826.66 : 183,299.62 = 72,397.30 : x
  2. Step 2: Convert to fraction form
    132,826.66/183,299.62 = 72,397.30/x
  3. Step 3: Cross multiply
    132,826.66x = 183,299.62 × 72,397.30
  4. Step 4: Simplify right side
    132,826.66x = 13,270,397,579.03
  5. Step 5: Solve for x
    x = 13,270,397,579.03/132,826.66
  6. Step 6: Final answer
    x = 99,907.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.