Home / 156,720.30-234,919.59-61,912.10

Finding the Fourth Proportional to 156,720.30, 234,919.59 and 61,912.10

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Solution

The fourth proportional to 156,720.30, 234,919.59 and 61,912.10 is: 92,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.30 : 234,919.59 = 61,912.10 : x
  2. Step 2: Convert to fraction form
    156,720.30/234,919.59 = 61,912.10/x
  3. Step 3: Cross multiply
    156,720.30x = 234,919.59 × 61,912.10
  4. Step 4: Simplify right side
    156,720.30x = 14,544,363,973.44
  5. Step 5: Solve for x
    x = 14,544,363,973.44/156,720.30
  6. Step 6: Final answer
    x = 92,804.60

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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.