Home / 161,642.52-222,835.32-113,747.04

Finding the Fourth Proportional to 161,642.52, 222,835.32 and 113,747.04

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Solution

The fourth proportional to 161,642.52, 222,835.32 and 113,747.04 is: 156,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,642.52 : 222,835.32 = 113,747.04 : x
  2. Step 2: Convert to fraction form
    161,642.52/222,835.32 = 113,747.04/x
  3. Step 3: Cross multiply
    161,642.52x = 222,835.32 × 113,747.04
  4. Step 4: Simplify right side
    161,642.52x = 25,346,858,057.45
  5. Step 5: Solve for x
    x = 25,346,858,057.45/161,642.52
  6. Step 6: Final answer
    x = 156,808.11

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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.