Home / 132,164.46-182,389.68-74,803.78

Finding the Fourth Proportional to 132,164.46, 182,389.68 and 74,803.78

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Solution

The fourth proportional to 132,164.46, 182,389.68 and 74,803.78 is: 103,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,164.46 : 182,389.68 = 74,803.78 : x
  2. Step 2: Convert to fraction form
    132,164.46/182,389.68 = 74,803.78/x
  3. Step 3: Cross multiply
    132,164.46x = 182,389.68 × 74,803.78
  4. Step 4: Simplify right side
    132,164.46x = 13,643,437,496.99
  5. Step 5: Solve for x
    x = 13,643,437,496.99/132,164.46
  6. Step 6: Final answer
    x = 103,230.76

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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.