Home / 156,921.24-235,379.79-38,593.60

Finding the Fourth Proportional to 156,921.24, 235,379.79 and 38,593.60

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Solution

The fourth proportional to 156,921.24, 235,379.79 and 38,593.60 is: 57,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.24 : 235,379.79 = 38,593.60 : x
  2. Step 2: Convert to fraction form
    156,921.24/235,379.79 = 38,593.60/x
  3. Step 3: Cross multiply
    156,921.24x = 235,379.79 × 38,593.60
  4. Step 4: Simplify right side
    156,921.24x = 9,084,153,463.34
  5. Step 5: Solve for x
    x = 9,084,153,463.34/156,921.24
  6. Step 6: Final answer
    x = 57,889.89

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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.