Home / 156,735.40-235,119.54-51,562.60

Finding the Fourth Proportional to 156,735.40, 235,119.54 and 51,562.60

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Solution

The fourth proportional to 156,735.40, 235,119.54 and 51,562.60 is: 77,349.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,735.40 : 235,119.54 = 51,562.60 : x
  2. Step 2: Convert to fraction form
    156,735.40/235,119.54 = 51,562.60/x
  3. Step 3: Cross multiply
    156,735.40x = 235,119.54 × 51,562.60
  4. Step 4: Simplify right side
    156,735.40x = 12,123,374,793.20
  5. Step 5: Solve for x
    x = 12,123,374,793.20/156,735.40
  6. Step 6: Final answer
    x = 77,349.31

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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.