Home / 156,745.95-235,118.93-51,539.55

Finding the Fourth Proportional to 156,745.95, 235,118.93 and 51,539.55

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Solution

The fourth proportional to 156,745.95, 235,118.93 and 51,539.55 is: 77,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.95 : 235,118.93 = 51,539.55 : x
  2. Step 2: Convert to fraction form
    156,745.95/235,118.93 = 51,539.55/x
  3. Step 3: Cross multiply
    156,745.95x = 235,118.93 × 51,539.55
  4. Step 4: Simplify right side
    156,745.95x = 12,117,923,848.68
  5. Step 5: Solve for x
    x = 12,117,923,848.68/156,745.95
  6. Step 6: Final answer
    x = 77,309.33

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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.