Home / 101,166.25-151,749.32-30,088.60

Finding the Fourth Proportional to 101,166.25, 151,749.32 and 30,088.60

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Solution

The fourth proportional to 101,166.25, 151,749.32 and 30,088.60 is: 45,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,166.25 : 151,749.32 = 30,088.60 : x
  2. Step 2: Convert to fraction form
    101,166.25/151,749.32 = 30,088.60/x
  3. Step 3: Cross multiply
    101,166.25x = 151,749.32 × 30,088.60
  4. Step 4: Simplify right side
    101,166.25x = 4,565,924,059.94
  5. Step 5: Solve for x
    x = 4,565,924,059.94/101,166.25
  6. Step 6: Final answer
    x = 45,132.88

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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.