Home / 515,555.58-773,346.33-141,577.50

Finding the Fourth Proportional to 515,555.58, 773,346.33 and 141,577.50

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Solution

The fourth proportional to 515,555.58, 773,346.33 and 141,577.50 is: 212,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,555.58 : 773,346.33 = 141,577.50 : x
  2. Step 2: Convert to fraction form
    515,555.58/773,346.33 = 141,577.50/x
  3. Step 3: Cross multiply
    515,555.58x = 773,346.33 × 141,577.50
  4. Step 4: Simplify right side
    515,555.58x = 109,488,440,035.58
  5. Step 5: Solve for x
    x = 109,488,440,035.58/515,555.58
  6. Step 6: Final answer
    x = 212,369.81

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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.