Home / 314,234.82-471,353.22-77,577.54

Finding the Fourth Proportional to 314,234.82, 471,353.22 and 77,577.54

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Solution

The fourth proportional to 314,234.82, 471,353.22 and 77,577.54 is: 116,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,234.82 : 471,353.22 = 77,577.54 : x
  2. Step 2: Convert to fraction form
    314,234.82/471,353.22 = 77,577.54/x
  3. Step 3: Cross multiply
    314,234.82x = 471,353.22 × 77,577.54
  4. Step 4: Simplify right side
    314,234.82x = 36,566,423,278.68
  5. Step 5: Solve for x
    x = 36,566,423,278.68/314,234.82
  6. Step 6: Final answer
    x = 116,366.55

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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.