Home / 156,619.15-234,928.73-56,782.60

Finding the Fourth Proportional to 156,619.15, 234,928.73 and 56,782.60

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Solution

The fourth proportional to 156,619.15, 234,928.73 and 56,782.60 is: 85,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,619.15 : 234,928.73 = 56,782.60 : x
  2. Step 2: Convert to fraction form
    156,619.15/234,928.73 = 56,782.60/x
  3. Step 3: Cross multiply
    156,619.15x = 234,928.73 × 56,782.60
  4. Step 4: Simplify right side
    156,619.15x = 13,339,864,104.10
  5. Step 5: Solve for x
    x = 13,339,864,104.10/156,619.15
  6. Step 6: Final answer
    x = 85,173.90

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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.