Home / 156,420.56-234,582.60-56,568.80

Finding the Fourth Proportional to 156,420.56, 234,582.60 and 56,568.80

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Solution

The fourth proportional to 156,420.56, 234,582.60 and 56,568.80 is: 84,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,420.56 : 234,582.60 = 56,568.80 : x
  2. Step 2: Convert to fraction form
    156,420.56/234,582.60 = 56,568.80/x
  3. Step 3: Cross multiply
    156,420.56x = 234,582.60 × 56,568.80
  4. Step 4: Simplify right side
    156,420.56x = 13,270,056,182.88
  5. Step 5: Solve for x
    x = 13,270,056,182.88/156,420.56
  6. Step 6: Final answer
    x = 84,835.75

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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.