Home / 107,526.24-161,302.32-45,188.64

Finding the Fourth Proportional to 107,526.24, 161,302.32 and 45,188.64

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Solution

The fourth proportional to 107,526.24, 161,302.32 and 45,188.64 is: 67,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,526.24 : 161,302.32 = 45,188.64 : x
  2. Step 2: Convert to fraction form
    107,526.24/161,302.32 = 45,188.64/x
  3. Step 3: Cross multiply
    107,526.24x = 161,302.32 × 45,188.64
  4. Step 4: Simplify right side
    107,526.24x = 7,289,032,469.64
  5. Step 5: Solve for x
    x = 7,289,032,469.64/107,526.24
  6. Step 6: Final answer
    x = 67,788.41

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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.