Home / 107,675.20-161,318.40-95,233.60

Finding the Fourth Proportional to 107,675.20, 161,318.40 and 95,233.60

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Solution

The fourth proportional to 107,675.20, 161,318.40 and 95,233.60 is: 142,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,675.20 : 161,318.40 = 95,233.60 : x
  2. Step 2: Convert to fraction form
    107,675.20/161,318.40 = 95,233.60/x
  3. Step 3: Cross multiply
    107,675.20x = 161,318.40 × 95,233.60
  4. Step 4: Simplify right side
    107,675.20x = 15,362,931,978.24
  5. Step 5: Solve for x
    x = 15,362,931,978.24/107,675.20
  6. Step 6: Final answer
    x = 142,678.46

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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.