Home / 156,906.10-235,359.15-96,982.30

Finding the Fourth Proportional to 156,906.10, 235,359.15 and 96,982.30

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Solution

The fourth proportional to 156,906.10, 235,359.15 and 96,982.30 is: 145,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,906.10 : 235,359.15 = 96,982.30 : x
  2. Step 2: Convert to fraction form
    156,906.10/235,359.15 = 96,982.30/x
  3. Step 3: Cross multiply
    156,906.10x = 235,359.15 × 96,982.30
  4. Step 4: Simplify right side
    156,906.10x = 22,825,671,693.05
  5. Step 5: Solve for x
    x = 22,825,671,693.05/156,906.10
  6. Step 6: Final answer
    x = 145,473.45

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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.