Home / 156,799.88-235,236.30-51,619.76

Finding the Fourth Proportional to 156,799.88, 235,236.30 and 51,619.76

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Solution

The fourth proportional to 156,799.88, 235,236.30 and 51,619.76 is: 77,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,799.88 : 235,236.30 = 51,619.76 : x
  2. Step 2: Convert to fraction form
    156,799.88/235,236.30 = 51,619.76/x
  3. Step 3: Cross multiply
    156,799.88x = 235,236.30 × 51,619.76
  4. Step 4: Simplify right side
    156,799.88x = 12,142,841,349.29
  5. Step 5: Solve for x
    x = 12,142,841,349.29/156,799.88
  6. Step 6: Final answer
    x = 77,441.65

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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.