Home / 252,905.04-379,570.38-126,507.36

Finding the Fourth Proportional to 252,905.04, 379,570.38 and 126,507.36

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Solution

The fourth proportional to 252,905.04, 379,570.38 and 126,507.36 is: 189,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,905.04 : 379,570.38 = 126,507.36 : x
  2. Step 2: Convert to fraction form
    252,905.04/379,570.38 = 126,507.36/x
  3. Step 3: Cross multiply
    252,905.04x = 379,570.38 × 126,507.36
  4. Step 4: Simplify right side
    252,905.04x = 48,018,446,708.00
  5. Step 5: Solve for x
    x = 48,018,446,708.00/252,905.04
  6. Step 6: Final answer
    x = 189,867.50

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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.