Home / 133,013.15-183,494.73-90,007.73

Finding the Fourth Proportional to 133,013.15, 183,494.73 and 90,007.73

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Solution

The fourth proportional to 133,013.15, 183,494.73 and 90,007.73 is: 124,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.15 : 183,494.73 = 90,007.73 : x
  2. Step 2: Convert to fraction form
    133,013.15/183,494.73 = 90,007.73/x
  3. Step 3: Cross multiply
    133,013.15x = 183,494.73 × 90,007.73
  4. Step 4: Simplify right side
    133,013.15x = 16,515,944,114.26
  5. Step 5: Solve for x
    x = 16,515,944,114.26/133,013.15
  6. Step 6: Final answer
    x = 124,167.75

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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.