Home / 222,645.38-333,179.72-138,445.19

Finding the Fourth Proportional to 222,645.38, 333,179.72 and 138,445.19

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Solution

The fourth proportional to 222,645.38, 333,179.72 and 138,445.19 is: 207,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,645.38 : 333,179.72 = 138,445.19 : x
  2. Step 2: Convert to fraction form
    222,645.38/333,179.72 = 138,445.19/x
  3. Step 3: Cross multiply
    222,645.38x = 333,179.72 × 138,445.19
  4. Step 4: Simplify right side
    222,645.38x = 46,127,130,299.44
  5. Step 5: Solve for x
    x = 46,127,130,299.44/222,645.38
  6. Step 6: Final answer
    x = 207,177.58

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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.