Home / 156,935.24-235,400.79-38,607.60

Finding the Fourth Proportional to 156,935.24, 235,400.79 and 38,607.60

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Solution

The fourth proportional to 156,935.24, 235,400.79 and 38,607.60 is: 57,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.24 : 235,400.79 = 38,607.60 : x
  2. Step 2: Convert to fraction form
    156,935.24/235,400.79 = 38,607.60/x
  3. Step 3: Cross multiply
    156,935.24x = 235,400.79 × 38,607.60
  4. Step 4: Simplify right side
    156,935.24x = 9,088,259,540.00
  5. Step 5: Solve for x
    x = 9,088,259,540.00/156,935.24
  6. Step 6: Final answer
    x = 57,910.89

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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.