Home / 118,927.06-178,265.72-40,013.89

Finding the Fourth Proportional to 118,927.06, 178,265.72 and 40,013.89

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Solution

The fourth proportional to 118,927.06, 178,265.72 and 40,013.89 is: 59,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.06 : 178,265.72 = 40,013.89 : x
  2. Step 2: Convert to fraction form
    118,927.06/178,265.72 = 40,013.89/x
  3. Step 3: Cross multiply
    118,927.06x = 178,265.72 × 40,013.89
  4. Step 4: Simplify right side
    118,927.06x = 7,133,104,710.78
  5. Step 5: Solve for x
    x = 7,133,104,710.78/118,927.06
  6. Step 6: Final answer
    x = 59,978.82

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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.