Home / 156,745.15-235,117.73-56,908.60

Finding the Fourth Proportional to 156,745.15, 235,117.73 and 56,908.60

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Solution

The fourth proportional to 156,745.15, 235,117.73 and 56,908.60 is: 85,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.15 : 235,117.73 = 56,908.60 : x
  2. Step 2: Convert to fraction form
    156,745.15/235,117.73 = 56,908.60/x
  3. Step 3: Cross multiply
    156,745.15x = 235,117.73 × 56,908.60
  4. Step 4: Simplify right side
    156,745.15x = 13,380,220,849.48
  5. Step 5: Solve for x
    x = 13,380,220,849.48/156,745.15
  6. Step 6: Final answer
    x = 85,362.90

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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.