Home / 215,735.68-297,649.26-125,073.56

Finding the Fourth Proportional to 215,735.68, 297,649.26 and 125,073.56

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Solution

The fourth proportional to 215,735.68, 297,649.26 and 125,073.56 is: 172,563.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,735.68 : 297,649.26 = 125,073.56 : x
  2. Step 2: Convert to fraction form
    215,735.68/297,649.26 = 125,073.56/x
  3. Step 3: Cross multiply
    215,735.68x = 297,649.26 × 125,073.56
  4. Step 4: Simplify right side
    215,735.68x = 37,228,051,091.32
  5. Step 5: Solve for x
    x = 37,228,051,091.32/215,735.68
  6. Step 6: Final answer
    x = 172,563.25

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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.