Home / 156,764.30-235,078.41-56,891.30

Finding the Fourth Proportional to 156,764.30, 235,078.41 and 56,891.30

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Solution

The fourth proportional to 156,764.30, 235,078.41 and 56,891.30 is: 85,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.30 : 235,078.41 = 56,891.30 : x
  2. Step 2: Convert to fraction form
    156,764.30/235,078.41 = 56,891.30/x
  3. Step 3: Cross multiply
    156,764.30x = 235,078.41 × 56,891.30
  4. Step 4: Simplify right side
    156,764.30x = 13,373,916,346.83
  5. Step 5: Solve for x
    x = 13,373,916,346.83/156,764.30
  6. Step 6: Final answer
    x = 85,312.26

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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.