Home / 132,800.68-183,262.47-72,371.74

Finding the Fourth Proportional to 132,800.68, 183,262.47 and 72,371.74

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Solution

The fourth proportional to 132,800.68, 183,262.47 and 72,371.74 is: 99,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.68 : 183,262.47 = 72,371.74 : x
  2. Step 2: Convert to fraction form
    132,800.68/183,262.47 = 72,371.74/x
  3. Step 3: Cross multiply
    132,800.68x = 183,262.47 × 72,371.74
  4. Step 4: Simplify right side
    132,800.68x = 13,263,022,914.29
  5. Step 5: Solve for x
    x = 13,263,022,914.29/132,800.68
  6. Step 6: Final answer
    x = 99,871.65

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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.