Home / 440,986.90-661,477.88-160,504.16

Finding the Fourth Proportional to 440,986.90, 661,477.88 and 160,504.16

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Solution

The fourth proportional to 440,986.90, 661,477.88 and 160,504.16 is: 240,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,986.90 : 661,477.88 = 160,504.16 : x
  2. Step 2: Convert to fraction form
    440,986.90/661,477.88 = 160,504.16/x
  3. Step 3: Cross multiply
    440,986.90x = 661,477.88 × 160,504.16
  4. Step 4: Simplify right side
    440,986.90x = 106,169,951,487.98
  5. Step 5: Solve for x
    x = 106,169,951,487.98/440,986.90
  6. Step 6: Final answer
    x = 240,755.34

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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.