Home / 252,936.34-349,047.92-138,212.46

Finding the Fourth Proportional to 252,936.34, 349,047.92 and 138,212.46

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Solution

The fourth proportional to 252,936.34, 349,047.92 and 138,212.46 is: 190,730.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,936.34 : 349,047.92 = 138,212.46 : x
  2. Step 2: Convert to fraction form
    252,936.34/349,047.92 = 138,212.46/x
  3. Step 3: Cross multiply
    252,936.34x = 349,047.92 × 138,212.46
  4. Step 4: Simplify right side
    252,936.34x = 48,242,771,681.08
  5. Step 5: Solve for x
    x = 48,242,771,681.08/252,936.34
  6. Step 6: Final answer
    x = 190,730.88

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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.