Home / 189,652.49-261,725.57-113,215.94

Finding the Fourth Proportional to 189,652.49, 261,725.57 and 113,215.94

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Solution

The fourth proportional to 189,652.49, 261,725.57 and 113,215.94 is: 156,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,652.49 : 261,725.57 = 113,215.94 : x
  2. Step 2: Convert to fraction form
    189,652.49/261,725.57 = 113,215.94/x
  3. Step 3: Cross multiply
    189,652.49x = 261,725.57 × 113,215.94
  4. Step 4: Simplify right side
    189,652.49x = 29,631,506,429.59
  5. Step 5: Solve for x
    x = 29,631,506,429.59/189,652.49
  6. Step 6: Final answer
    x = 156,241.06

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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.