Home / 132,822.24-183,289.98-72,391.68

Finding the Fourth Proportional to 132,822.24, 183,289.98 and 72,391.68

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Solution

The fourth proportional to 132,822.24, 183,289.98 and 72,391.68 is: 99,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,822.24 : 183,289.98 = 72,391.68 : x
  2. Step 2: Convert to fraction form
    132,822.24/183,289.98 = 72,391.68/x
  3. Step 3: Cross multiply
    132,822.24x = 183,289.98 × 72,391.68
  4. Step 4: Simplify right side
    132,822.24x = 13,268,669,579.37
  5. Step 5: Solve for x
    x = 13,268,669,579.37/132,822.24
  6. Step 6: Final answer
    x = 99,897.95

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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.