Home / 440,566.08-660,849.75-108,142.08

Finding the Fourth Proportional to 440,566.08, 660,849.75 and 108,142.08

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Solution

The fourth proportional to 440,566.08, 660,849.75 and 108,142.08 is: 162,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,566.08 : 660,849.75 = 108,142.08 : x
  2. Step 2: Convert to fraction form
    440,566.08/660,849.75 = 108,142.08/x
  3. Step 3: Cross multiply
    440,566.08x = 660,849.75 × 108,142.08
  4. Step 4: Simplify right side
    440,566.08x = 71,465,666,532.48
  5. Step 5: Solve for x
    x = 71,465,666,532.48/440,566.08
  6. Step 6: Final answer
    x = 162,213.27

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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.