Home / 181,614.08-272,450.22-69,289.76

Finding the Fourth Proportional to 181,614.08, 272,450.22 and 69,289.76

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Solution

The fourth proportional to 181,614.08, 272,450.22 and 69,289.76 is: 103,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,614.08 : 272,450.22 = 69,289.76 : x
  2. Step 2: Convert to fraction form
    181,614.08/272,450.22 = 69,289.76/x
  3. Step 3: Cross multiply
    181,614.08x = 272,450.22 × 69,289.76
  4. Step 4: Simplify right side
    181,614.08x = 18,878,010,355.75
  5. Step 5: Solve for x
    x = 18,878,010,355.75/181,614.08
  6. Step 6: Final answer
    x = 103,945.74

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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.