Home / 156,739.15-235,108.73-56,902.60

Finding the Fourth Proportional to 156,739.15, 235,108.73 and 56,902.60

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Solution

The fourth proportional to 156,739.15, 235,108.73 and 56,902.60 is: 85,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.15 : 235,108.73 = 56,902.60 : x
  2. Step 2: Convert to fraction form
    156,739.15/235,108.73 = 56,902.60/x
  3. Step 3: Cross multiply
    156,739.15x = 235,108.73 × 56,902.60
  4. Step 4: Simplify right side
    156,739.15x = 13,378,298,019.70
  5. Step 5: Solve for x
    x = 13,378,298,019.70/156,739.15
  6. Step 6: Final answer
    x = 85,353.90

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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.