Home / 148,866.20-223,186.31-76,741.39

Finding the Fourth Proportional to 148,866.20, 223,186.31 and 76,741.39

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Solution

The fourth proportional to 148,866.20, 223,186.31 and 76,741.39 is: 115,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,866.20 : 223,186.31 = 76,741.39 : x
  2. Step 2: Convert to fraction form
    148,866.20/223,186.31 = 76,741.39/x
  3. Step 3: Cross multiply
    148,866.20x = 223,186.31 × 76,741.39
  4. Step 4: Simplify right side
    148,866.20x = 17,127,628,057.26
  5. Step 5: Solve for x
    x = 17,127,628,057.26/148,866.20
  6. Step 6: Final answer
    x = 115,053.84

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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.