Home / 407,966.22-611,956.62-141,735.42

Finding the Fourth Proportional to 407,966.22, 611,956.62 and 141,735.42

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Solution

The fourth proportional to 407,966.22, 611,956.62 and 141,735.42 is: 212,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,966.22 : 611,956.62 = 141,735.42 : x
  2. Step 2: Convert to fraction form
    407,966.22/611,956.62 = 141,735.42/x
  3. Step 3: Cross multiply
    407,966.22x = 611,956.62 × 141,735.42
  4. Step 4: Simplify right side
    407,966.22x = 86,735,928,557.48
  5. Step 5: Solve for x
    x = 86,735,928,557.48/407,966.22
  6. Step 6: Final answer
    x = 212,605.66

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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.