Home / 144,783.26-216,879.23-74,514.95

Finding the Fourth Proportional to 144,783.26, 216,879.23 and 74,514.95

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Solution

The fourth proportional to 144,783.26, 216,879.23 and 74,514.95 is: 111,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,783.26 : 216,879.23 = 74,514.95 : x
  2. Step 2: Convert to fraction form
    144,783.26/216,879.23 = 74,514.95/x
  3. Step 3: Cross multiply
    144,783.26x = 216,879.23 × 74,514.95
  4. Step 4: Simplify right side
    144,783.26x = 16,160,744,081.38
  5. Step 5: Solve for x
    x = 16,160,744,081.38/144,783.26
  6. Step 6: Final answer
    x = 111,620.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.