Home / 132,806.36-183,268.14-72,375.78

Finding the Fourth Proportional to 132,806.36, 183,268.14 and 72,375.78

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Solution

The fourth proportional to 132,806.36, 183,268.14 and 72,375.78 is: 99,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,806.36 : 183,268.14 = 72,375.78 : x
  2. Step 2: Convert to fraction form
    132,806.36/183,268.14 = 72,375.78/x
  3. Step 3: Cross multiply
    132,806.36x = 183,268.14 × 72,375.78
  4. Step 4: Simplify right side
    132,806.36x = 13,264,174,581.65
  5. Step 5: Solve for x
    x = 13,264,174,581.65/132,806.36
  6. Step 6: Final answer
    x = 99,876.05

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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.