Home / 144,387.08-199,174.18-83,951.05

Finding the Fourth Proportional to 144,387.08, 199,174.18 and 83,951.05

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Solution

The fourth proportional to 144,387.08, 199,174.18 and 83,951.05 is: 115,805.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,387.08 : 199,174.18 = 83,951.05 : x
  2. Step 2: Convert to fraction form
    144,387.08/199,174.18 = 83,951.05/x
  3. Step 3: Cross multiply
    144,387.08x = 199,174.18 × 83,951.05
  4. Step 4: Simplify right side
    144,387.08x = 16,720,880,836.08
  5. Step 5: Solve for x
    x = 16,720,880,836.08/144,387.08
  6. Step 6: Final answer
    x = 115,805.93

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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.