Home / 161,709.08-242,589.54-68,228.60

Finding the Fourth Proportional to 161,709.08, 242,589.54 and 68,228.60

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Solution

The fourth proportional to 161,709.08, 242,589.54 and 68,228.60 is: 102,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,709.08 : 242,589.54 = 68,228.60 : x
  2. Step 2: Convert to fraction form
    161,709.08/242,589.54 = 68,228.60/x
  3. Step 3: Cross multiply
    161,709.08x = 242,589.54 × 68,228.60
  4. Step 4: Simplify right side
    161,709.08x = 16,551,544,688.84
  5. Step 5: Solve for x
    x = 16,551,544,688.84/161,709.08
  6. Step 6: Final answer
    x = 102,353.84

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1.5x scale

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.