Home / 107,587.20-161,186.40-95,145.60

Finding the Fourth Proportional to 107,587.20, 161,186.40 and 95,145.60

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Solution

The fourth proportional to 107,587.20, 161,186.40 and 95,145.60 is: 142,546.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,587.20 : 161,186.40 = 95,145.60 : x
  2. Step 2: Convert to fraction form
    107,587.20/161,186.40 = 95,145.60/x
  3. Step 3: Cross multiply
    107,587.20x = 161,186.40 × 95,145.60
  4. Step 4: Simplify right side
    107,587.20x = 15,336,176,739.84
  5. Step 5: Solve for x
    x = 15,336,176,739.84/107,587.20
  6. Step 6: Final answer
    x = 142,546.48

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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.