Home / 156,869.57-235,200.30-57,017.90

Finding the Fourth Proportional to 156,869.57, 235,200.30 and 57,017.90

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Solution

The fourth proportional to 156,869.57, 235,200.30 and 57,017.90 is: 85,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,869.57 : 235,200.30 = 57,017.90 : x
  2. Step 2: Convert to fraction form
    156,869.57/235,200.30 = 57,017.90/x
  3. Step 3: Cross multiply
    156,869.57x = 235,200.30 × 57,017.90
  4. Step 4: Simplify right side
    156,869.57x = 13,410,627,185.37
  5. Step 5: Solve for x
    x = 13,410,627,185.37/156,869.57
  6. Step 6: Final answer
    x = 85,489.03

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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.