Home / 161,063.96-222,195.38-103,682.70

Finding the Fourth Proportional to 161,063.96, 222,195.38 and 103,682.70

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Solution

The fourth proportional to 161,063.96, 222,195.38 and 103,682.70 is: 143,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,063.96 : 222,195.38 = 103,682.70 : x
  2. Step 2: Convert to fraction form
    161,063.96/222,195.38 = 103,682.70/x
  3. Step 3: Cross multiply
    161,063.96x = 222,195.38 × 103,682.70
  4. Step 4: Simplify right side
    161,063.96x = 23,037,816,925.93
  5. Step 5: Solve for x
    x = 23,037,816,925.93/161,063.96
  6. Step 6: Final answer
    x = 143,035.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.