Home / 156,165.01-234,343.88-61,378.54

Finding the Fourth Proportional to 156,165.01, 234,343.88 and 61,378.54

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Solution

The fourth proportional to 156,165.01, 234,343.88 and 61,378.54 is: 92,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,165.01 : 234,343.88 = 61,378.54 : x
  2. Step 2: Convert to fraction form
    156,165.01/234,343.88 = 61,378.54/x
  3. Step 3: Cross multiply
    156,165.01x = 234,343.88 × 61,378.54
  4. Step 4: Simplify right side
    156,165.01x = 14,383,686,213.19
  5. Step 5: Solve for x
    x = 14,383,686,213.19/156,165.01
  6. Step 6: Final answer
    x = 92,105.69

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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.