Home / 134,169.41-185,076.69-83,780.93

Finding the Fourth Proportional to 134,169.41, 185,076.69 and 83,780.93

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Solution

The fourth proportional to 134,169.41, 185,076.69 and 83,780.93 is: 115,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,169.41 : 185,076.69 = 83,780.93 : x
  2. Step 2: Convert to fraction form
    134,169.41/185,076.69 = 83,780.93/x
  3. Step 3: Cross multiply
    134,169.41x = 185,076.69 × 83,780.93
  4. Step 4: Simplify right side
    134,169.41x = 15,505,896,978.18
  5. Step 5: Solve for x
    x = 15,505,896,978.18/134,169.41
  6. Step 6: Final answer
    x = 115,569.54

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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.