Home / 107,564.20-161,346.30-63,212.20

Finding the Fourth Proportional to 107,564.20, 161,346.30 and 63,212.20

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Solution

The fourth proportional to 107,564.20, 161,346.30 and 63,212.20 is: 94,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,564.20 : 161,346.30 = 63,212.20 : x
  2. Step 2: Convert to fraction form
    107,564.20/161,346.30 = 63,212.20/x
  3. Step 3: Cross multiply
    107,564.20x = 161,346.30 × 63,212.20
  4. Step 4: Simplify right side
    107,564.20x = 10,199,054,584.86
  5. Step 5: Solve for x
    x = 10,199,054,584.86/107,564.20
  6. Step 6: Final answer
    x = 94,818.30

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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.