Home / 250,741.76-375,848.88-82,218.40

Finding the Fourth Proportional to 250,741.76, 375,848.88 and 82,218.40

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Solution

The fourth proportional to 250,741.76, 375,848.88 and 82,218.40 is: 123,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,741.76 : 375,848.88 = 82,218.40 : x
  2. Step 2: Convert to fraction form
    250,741.76/375,848.88 = 82,218.40/x
  3. Step 3: Cross multiply
    250,741.76x = 375,848.88 × 82,218.40
  4. Step 4: Simplify right side
    250,741.76x = 30,901,693,555.39
  5. Step 5: Solve for x
    x = 30,901,693,555.39/250,741.76
  6. Step 6: Final answer
    x = 123,241.11

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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.