Home / 156,968.40-235,452.60-137,285.40

Finding the Fourth Proportional to 156,968.40, 235,452.60 and 137,285.40

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Solution

The fourth proportional to 156,968.40, 235,452.60 and 137,285.40 is: 205,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.40 : 235,452.60 = 137,285.40 : x
  2. Step 2: Convert to fraction form
    156,968.40/235,452.60 = 137,285.40/x
  3. Step 3: Cross multiply
    156,968.40x = 235,452.60 × 137,285.40
  4. Step 4: Simplify right side
    156,968.40x = 32,324,204,372.04
  5. Step 5: Solve for x
    x = 32,324,204,372.04/156,968.40
  6. Step 6: Final answer
    x = 205,928.10

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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.