Home / 252,196.96-348,031.68-139,021.60

Finding the Fourth Proportional to 252,196.96, 348,031.68 and 139,021.60

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Solution

The fourth proportional to 252,196.96, 348,031.68 and 139,021.60 is: 191,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,196.96 : 348,031.68 = 139,021.60 : x
  2. Step 2: Convert to fraction form
    252,196.96/348,031.68 = 139,021.60/x
  3. Step 3: Cross multiply
    252,196.96x = 348,031.68 × 139,021.60
  4. Step 4: Simplify right side
    252,196.96x = 48,383,921,004.29
  5. Step 5: Solve for x
    x = 48,383,921,004.29/252,196.96
  6. Step 6: Final answer
    x = 191,849.74

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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.