Home / 143,610.55-215,095.06-104,076.88

Finding the Fourth Proportional to 143,610.55, 215,095.06 and 104,076.88

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Solution

The fourth proportional to 143,610.55, 215,095.06 and 104,076.88 is: 155,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,610.55 : 215,095.06 = 104,076.88 : x
  2. Step 2: Convert to fraction form
    143,610.55/215,095.06 = 104,076.88/x
  3. Step 3: Cross multiply
    143,610.55x = 215,095.06 × 104,076.88
  4. Step 4: Simplify right side
    143,610.55x = 22,386,422,748.21
  5. Step 5: Solve for x
    x = 22,386,422,748.21/143,610.55
  6. Step 6: Final answer
    x = 155,882.86

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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.