Home / 156,945.40-235,446.30-57,245.46

Finding the Fourth Proportional to 156,945.40, 235,446.30 and 57,245.46

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Solution

The fourth proportional to 156,945.40, 235,446.30 and 57,245.46 is: 85,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,945.40 : 235,446.30 = 57,245.46 : x
  2. Step 2: Convert to fraction form
    156,945.40/235,446.30 = 57,245.46/x
  3. Step 3: Cross multiply
    156,945.40x = 235,446.30 × 57,245.46
  4. Step 4: Simplify right side
    156,945.40x = 13,478,231,748.80
  5. Step 5: Solve for x
    x = 13,478,231,748.80/156,945.40
  6. Step 6: Final answer
    x = 85,878.48

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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.