Home / 156,921-235,379.40-38,593.35

Finding the Fourth Proportional to 156,921, 235,379.40 and 38,593.35

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Solution

The fourth proportional to 156,921, 235,379.40 and 38,593.35 is: 57,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921 : 235,379.40 = 38,593.35 : x
  2. Step 2: Convert to fraction form
    156,921/235,379.40 = 38,593.35/x
  3. Step 3: Cross multiply
    156,921x = 235,379.40 × 38,593.35
  4. Step 4: Simplify right side
    156,921x = 9,084,079,566.99
  5. Step 5: Solve for x
    x = 9,084,079,566.99/156,921
  6. Step 6: Final answer
    x = 57,889.51

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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.