Home / 199,619.05-297,900.85-178,319.89

Finding the Fourth Proportional to 199,619.05, 297,900.85 and 178,319.89

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Solution

The fourth proportional to 199,619.05, 297,900.85 and 178,319.89 is: 266,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,619.05 : 297,900.85 = 178,319.89 : x
  2. Step 2: Convert to fraction form
    199,619.05/297,900.85 = 178,319.89/x
  3. Step 3: Cross multiply
    199,619.05x = 297,900.85 × 178,319.89
  4. Step 4: Simplify right side
    199,619.05x = 53,121,646,802.91
  5. Step 5: Solve for x
    x = 53,121,646,802.91/199,619.05
  6. Step 6: Final answer
    x = 266,115.12

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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.