Home / 199,619.73-297,901.87-178,320.58

Finding the Fourth Proportional to 199,619.73, 297,901.87 and 178,320.58

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Solution

The fourth proportional to 199,619.73, 297,901.87 and 178,320.58 is: 266,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,619.73 : 297,901.87 = 178,320.58 : x
  2. Step 2: Convert to fraction form
    199,619.73/297,901.87 = 178,320.58/x
  3. Step 3: Cross multiply
    199,619.73x = 297,901.87 × 178,320.58
  4. Step 4: Simplify right side
    199,619.73x = 53,122,034,241.48
  5. Step 5: Solve for x
    x = 53,122,034,241.48/199,619.73
  6. Step 6: Final answer
    x = 266,116.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.