Home / 131,913.84-182,049.96-74,533.28

Finding the Fourth Proportional to 131,913.84, 182,049.96 and 74,533.28

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Solution

The fourth proportional to 131,913.84, 182,049.96 and 74,533.28 is: 102,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,913.84 : 182,049.96 = 74,533.28 : x
  2. Step 2: Convert to fraction form
    131,913.84/182,049.96 = 74,533.28/x
  3. Step 3: Cross multiply
    131,913.84x = 182,049.96 × 74,533.28
  4. Step 4: Simplify right side
    131,913.84x = 13,568,780,642.67
  5. Step 5: Solve for x
    x = 13,568,780,642.67/131,913.84
  6. Step 6: Final answer
    x = 102,860.93

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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.