Home / 156,930.90-235,396.35-38,600.70

Finding the Fourth Proportional to 156,930.90, 235,396.35 and 38,600.70

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Solution

The fourth proportional to 156,930.90, 235,396.35 and 38,600.70 is: 57,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.90 : 235,396.35 = 38,600.70 : x
  2. Step 2: Convert to fraction form
    156,930.90/235,396.35 = 38,600.70/x
  3. Step 3: Cross multiply
    156,930.90x = 235,396.35 × 38,600.70
  4. Step 4: Simplify right side
    156,930.90x = 9,086,463,887.45
  5. Step 5: Solve for x
    x = 9,086,463,887.45/156,930.90
  6. Step 6: Final answer
    x = 57,901.05

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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.