Home / 185,107.56-255,318.53-113,516.12

Finding the Fourth Proportional to 185,107.56, 255,318.53 and 113,516.12

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Solution

The fourth proportional to 185,107.56, 255,318.53 and 113,516.12 is: 156,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,107.56 : 255,318.53 = 113,516.12 : x
  2. Step 2: Convert to fraction form
    185,107.56/255,318.53 = 113,516.12/x
  3. Step 3: Cross multiply
    185,107.56x = 255,318.53 × 113,516.12
  4. Step 4: Simplify right side
    185,107.56x = 28,982,767,045.53
  5. Step 5: Solve for x
    x = 28,982,767,045.53/185,107.56
  6. Step 6: Final answer
    x = 156,572.57

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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.