Home / 347,664.50-521,577.63-107,765.67

Finding the Fourth Proportional to 347,664.50, 521,577.63 and 107,765.67

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Solution

The fourth proportional to 347,664.50, 521,577.63 and 107,765.67 is: 161,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664.50 : 521,577.63 = 107,765.67 : x
  2. Step 2: Convert to fraction form
    347,664.50/521,577.63 = 107,765.67/x
  3. Step 3: Cross multiply
    347,664.50x = 521,577.63 × 107,765.67
  4. Step 4: Simplify right side
    347,664.50x = 56,208,162,753.96
  5. Step 5: Solve for x
    x = 56,208,162,753.96/347,664.50
  6. Step 6: Final answer
    x = 161,673.58

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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.