Home / 151,776.22-209,458.19-83,802.84

Finding the Fourth Proportional to 151,776.22, 209,458.19 and 83,802.84

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Solution

The fourth proportional to 151,776.22, 209,458.19 and 83,802.84 is: 115,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,776.22 : 209,458.19 = 83,802.84 : x
  2. Step 2: Convert to fraction form
    151,776.22/209,458.19 = 83,802.84/x
  3. Step 3: Cross multiply
    151,776.22x = 209,458.19 × 83,802.84
  4. Step 4: Simplify right side
    151,776.22x = 17,553,191,183.26
  5. Step 5: Solve for x
    x = 17,553,191,183.26/151,776.22
  6. Step 6: Final answer
    x = 115,651.79

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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.