Home / 156,860.54-235,327.71-51,679.50

Finding the Fourth Proportional to 156,860.54, 235,327.71 and 51,679.50

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Solution

The fourth proportional to 156,860.54, 235,327.71 and 51,679.50 is: 77,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,860.54 : 235,327.71 = 51,679.50 : x
  2. Step 2: Convert to fraction form
    156,860.54/235,327.71 = 51,679.50/x
  3. Step 3: Cross multiply
    156,860.54x = 235,327.71 × 51,679.50
  4. Step 4: Simplify right side
    156,860.54x = 12,161,618,388.95
  5. Step 5: Solve for x
    x = 12,161,618,388.95/156,860.54
  6. Step 6: Final answer
    x = 77,531.41

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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.