Home / 432,249.09-648,404.77-166,009.60

Finding the Fourth Proportional to 432,249.09, 648,404.77 and 166,009.60

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Solution

The fourth proportional to 432,249.09, 648,404.77 and 166,009.60 is: 249,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,249.09 : 648,404.77 = 166,009.60 : x
  2. Step 2: Convert to fraction form
    432,249.09/648,404.77 = 166,009.60/x
  3. Step 3: Cross multiply
    432,249.09x = 648,404.77 × 166,009.60
  4. Step 4: Simplify right side
    432,249.09x = 107,641,416,090.77
  5. Step 5: Solve for x
    x = 107,641,416,090.77/432,249.09
  6. Step 6: Final answer
    x = 249,026.36

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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.