Home / 156,394.88-234,539.40-51,187.76

Finding the Fourth Proportional to 156,394.88, 234,539.40 and 51,187.76

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Solution

The fourth proportional to 156,394.88, 234,539.40 and 51,187.76 is: 76,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,394.88 : 234,539.40 = 51,187.76 : x
  2. Step 2: Convert to fraction form
    156,394.88/234,539.40 = 51,187.76/x
  3. Step 3: Cross multiply
    156,394.88x = 234,539.40 × 51,187.76
  4. Step 4: Simplify right side
    156,394.88x = 12,005,546,517.74
  5. Step 5: Solve for x
    x = 12,005,546,517.74/156,394.88
  6. Step 6: Final answer
    x = 76,764.32

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1.5x scale

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.