Home / 445,577.14-668,098.68-141,840.10

Finding the Fourth Proportional to 445,577.14, 668,098.68 and 141,840.10

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Solution

The fourth proportional to 445,577.14, 668,098.68 and 141,840.10 is: 212,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,577.14 : 668,098.68 = 141,840.10 : x
  2. Step 2: Convert to fraction form
    445,577.14/668,098.68 = 141,840.10/x
  3. Step 3: Cross multiply
    445,577.14x = 668,098.68 × 141,840.10
  4. Step 4: Simplify right side
    445,577.14x = 94,763,183,581.07
  5. Step 5: Solve for x
    x = 94,763,183,581.07/445,577.14
  6. Step 6: Final answer
    x = 212,675.15

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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.