Home / 440,445.51-660,766.68-140,944.07

Finding the Fourth Proportional to 440,445.51, 660,766.68 and 140,944.07

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Solution

The fourth proportional to 440,445.51, 660,766.68 and 140,944.07 is: 211,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,445.51 : 660,766.68 = 140,944.07 : x
  2. Step 2: Convert to fraction form
    440,445.51/660,766.68 = 140,944.07/x
  3. Step 3: Cross multiply
    440,445.51x = 660,766.68 × 140,944.07
  4. Step 4: Simplify right side
    440,445.51x = 93,131,141,895.75
  5. Step 5: Solve for x
    x = 93,131,141,895.75/440,445.51
  6. Step 6: Final answer
    x = 211,447.59

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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.