Home / 156,938.90-235,408.35-104,177.30

Finding the Fourth Proportional to 156,938.90, 235,408.35 and 104,177.30

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Solution

The fourth proportional to 156,938.90, 235,408.35 and 104,177.30 is: 156,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.90 : 235,408.35 = 104,177.30 : x
  2. Step 2: Convert to fraction form
    156,938.90/235,408.35 = 104,177.30/x
  3. Step 3: Cross multiply
    156,938.90x = 235,408.35 × 104,177.30
  4. Step 4: Simplify right side
    156,938.90x = 24,524,206,300.46
  5. Step 5: Solve for x
    x = 24,524,206,300.46/156,938.90
  6. Step 6: Final answer
    x = 156,265.95

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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.