Home / 132,891.28-183,383.22-72,461.42

Finding the Fourth Proportional to 132,891.28, 183,383.22 and 72,461.42

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Solution

The fourth proportional to 132,891.28, 183,383.22 and 72,461.42 is: 99,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,891.28 : 183,383.22 = 72,461.42 : x
  2. Step 2: Convert to fraction form
    132,891.28/183,383.22 = 72,461.42/x
  3. Step 3: Cross multiply
    132,891.28x = 183,383.22 × 72,461.42
  4. Step 4: Simplify right side
    132,891.28x = 13,288,208,525.37
  5. Step 5: Solve for x
    x = 13,288,208,525.37/132,891.28
  6. Step 6: Final answer
    x = 99,993.08

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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.