Home / 140,698.59-194,164.02-77,036.37

Finding the Fourth Proportional to 140,698.59, 194,164.02 and 77,036.37

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Solution

The fourth proportional to 140,698.59, 194,164.02 and 77,036.37 is: 106,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698.59 : 194,164.02 = 77,036.37 : x
  2. Step 2: Convert to fraction form
    140,698.59/194,164.02 = 77,036.37/x
  3. Step 3: Cross multiply
    140,698.59x = 194,164.02 × 77,036.37
  4. Step 4: Simplify right side
    140,698.59x = 14,957,691,285.41
  5. Step 5: Solve for x
    x = 14,957,691,285.41/140,698.59
  6. Step 6: Final answer
    x = 106,310.17

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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.