Home / 366,985.75-550,346.55-127,034.45

Finding the Fourth Proportional to 366,985.75, 550,346.55 and 127,034.45

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Solution

The fourth proportional to 366,985.75, 550,346.55 and 127,034.45 is: 190,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.75 : 550,346.55 = 127,034.45 : x
  2. Step 2: Convert to fraction form
    366,985.75/550,346.55 = 127,034.45/x
  3. Step 3: Cross multiply
    366,985.75x = 550,346.55 × 127,034.45
  4. Step 4: Simplify right side
    366,985.75x = 69,912,972,664.51
  5. Step 5: Solve for x
    x = 69,912,972,664.51/366,985.75
  6. Step 6: Final answer
    x = 190,505.96

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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.