Home / 156,122.55-234,198.53-43,802.34

Finding the Fourth Proportional to 156,122.55, 234,198.53 and 43,802.34

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Solution

The fourth proportional to 156,122.55, 234,198.53 and 43,802.34 is: 65,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,122.55 : 234,198.53 = 43,802.34 : x
  2. Step 2: Convert to fraction form
    156,122.55/234,198.53 = 43,802.34/x
  3. Step 3: Cross multiply
    156,122.55x = 234,198.53 × 43,802.34
  4. Step 4: Simplify right side
    156,122.55x = 10,258,443,419.55
  5. Step 5: Solve for x
    x = 10,258,443,419.55/156,122.55
  6. Step 6: Final answer
    x = 65,707.63

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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.