Home / 228,743.04-343,048.96-78,944.48

Finding the Fourth Proportional to 228,743.04, 343,048.96 and 78,944.48

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Solution

The fourth proportional to 228,743.04, 343,048.96 and 78,944.48 is: 118,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,743.04 : 343,048.96 = 78,944.48 : x
  2. Step 2: Convert to fraction form
    228,743.04/343,048.96 = 78,944.48/x
  3. Step 3: Cross multiply
    228,743.04x = 343,048.96 × 78,944.48
  4. Step 4: Simplify right side
    228,743.04x = 27,081,821,761.74
  5. Step 5: Solve for x
    x = 27,081,821,761.74/228,743.04
  6. Step 6: Final answer
    x = 118,394.08

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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.