Home / 161,015.36-222,232.72-102,834.72

Finding the Fourth Proportional to 161,015.36, 222,232.72 and 102,834.72

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Solution

The fourth proportional to 161,015.36, 222,232.72 and 102,834.72 is: 141,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,015.36 : 222,232.72 = 102,834.72 : x
  2. Step 2: Convert to fraction form
    161,015.36/222,232.72 = 102,834.72/x
  3. Step 3: Cross multiply
    161,015.36x = 222,232.72 × 102,834.72
  4. Step 4: Simplify right side
    161,015.36x = 22,853,239,536.04
  5. Step 5: Solve for x
    x = 22,853,239,536.04/161,015.36
  6. Step 6: Final answer
    x = 141,932.05

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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.