Home / 144,467.79-199,354.70-80,793.28

Finding the Fourth Proportional to 144,467.79, 199,354.70 and 80,793.28

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Solution

The fourth proportional to 144,467.79, 199,354.70 and 80,793.28 is: 111,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,467.79 : 199,354.70 = 80,793.28 : x
  2. Step 2: Convert to fraction form
    144,467.79/199,354.70 = 80,793.28/x
  3. Step 3: Cross multiply
    144,467.79x = 199,354.70 × 80,793.28
  4. Step 4: Simplify right side
    144,467.79x = 16,106,520,547.59
  5. Step 5: Solve for x
    x = 16,106,520,547.59/144,467.79
  6. Step 6: Final answer
    x = 111,488.66

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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.