Home / 250,610.76-345,848.40-137,433.24

Finding the Fourth Proportional to 250,610.76, 345,848.40 and 137,433.24

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Solution

The fourth proportional to 250,610.76, 345,848.40 and 137,433.24 is: 189,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,610.76 : 345,848.40 = 137,433.24 : x
  2. Step 2: Convert to fraction form
    250,610.76/345,848.40 = 137,433.24/x
  3. Step 3: Cross multiply
    250,610.76x = 345,848.40 × 137,433.24
  4. Step 4: Simplify right side
    250,610.76x = 47,531,066,160.82
  5. Step 5: Solve for x
    x = 47,531,066,160.82/250,610.76
  6. Step 6: Final answer
    x = 189,660.92

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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.