Home / 152,930.55-211,037.18-84,951.93

Finding the Fourth Proportional to 152,930.55, 211,037.18 and 84,951.93

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Solution

The fourth proportional to 152,930.55, 211,037.18 and 84,951.93 is: 117,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,930.55 : 211,037.18 = 84,951.93 : x
  2. Step 2: Convert to fraction form
    152,930.55/211,037.18 = 84,951.93/x
  3. Step 3: Cross multiply
    152,930.55x = 211,037.18 × 84,951.93
  4. Step 4: Simplify right side
    152,930.55x = 17,928,015,318.00
  5. Step 5: Solve for x
    x = 17,928,015,318.00/152,930.55
  6. Step 6: Final answer
    x = 117,229.78

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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.