Home / 161,582.38-242,291.54-121,232.23

Finding the Fourth Proportional to 161,582.38, 242,291.54 and 121,232.23

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Solution

The fourth proportional to 161,582.38, 242,291.54 and 121,232.23 is: 181,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,582.38 : 242,291.54 = 121,232.23 : x
  2. Step 2: Convert to fraction form
    161,582.38/242,291.54 = 121,232.23/x
  3. Step 3: Cross multiply
    161,582.38x = 242,291.54 × 121,232.23
  4. Step 4: Simplify right side
    161,582.38x = 29,373,543,401.69
  5. Step 5: Solve for x
    x = 29,373,543,401.69/161,582.38
  6. Step 6: Final answer
    x = 181,786.80

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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.