Home / 161,892.37-242,689.51-109,320.13

Finding the Fourth Proportional to 161,892.37, 242,689.51 and 109,320.13

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Solution

The fourth proportional to 161,892.37, 242,689.51 and 109,320.13 is: 163,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,892.37 : 242,689.51 = 109,320.13 : x
  2. Step 2: Convert to fraction form
    161,892.37/242,689.51 = 109,320.13/x
  3. Step 3: Cross multiply
    161,892.37x = 242,689.51 × 109,320.13
  4. Step 4: Simplify right side
    161,892.37x = 26,530,848,782.84
  5. Step 5: Solve for x
    x = 26,530,848,782.84/161,892.37
  6. Step 6: Final answer
    x = 163,879.55

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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.