Home / 252,196.80-348,031.48-139,021.96

Finding the Fourth Proportional to 252,196.80, 348,031.48 and 139,021.96

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Solution

The fourth proportional to 252,196.80, 348,031.48 and 139,021.96 is: 191,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,196.80 : 348,031.48 = 139,021.96 : x
  2. Step 2: Convert to fraction form
    252,196.80/348,031.48 = 139,021.96/x
  3. Step 3: Cross multiply
    252,196.80x = 348,031.48 × 139,021.96
  4. Step 4: Simplify right side
    252,196.80x = 48,384,018,491.30
  5. Step 5: Solve for x
    x = 48,384,018,491.30/252,196.80
  6. Step 6: Final answer
    x = 191,850.25

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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.