Home / 118,604.14-178,011.45-55,458.61

Finding the Fourth Proportional to 118,604.14, 178,011.45 and 55,458.61

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Solution

The fourth proportional to 118,604.14, 178,011.45 and 55,458.61 is: 83,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,604.14 : 178,011.45 = 55,458.61 : x
  2. Step 2: Convert to fraction form
    118,604.14/178,011.45 = 55,458.61/x
  3. Step 3: Cross multiply
    118,604.14x = 178,011.45 × 55,458.61
  4. Step 4: Simplify right side
    118,604.14x = 9,872,267,581.08
  5. Step 5: Solve for x
    x = 9,872,267,581.08/118,604.14
  6. Step 6: Final answer
    x = 83,237.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.