Home / 156,990.96-235,339.20-57,126.24

Finding the Fourth Proportional to 156,990.96, 235,339.20 and 57,126.24

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Solution

The fourth proportional to 156,990.96, 235,339.20 and 57,126.24 is: 85,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,990.96 : 235,339.20 = 57,126.24 : x
  2. Step 2: Convert to fraction form
    156,990.96/235,339.20 = 57,126.24/x
  3. Step 3: Cross multiply
    156,990.96x = 235,339.20 × 57,126.24
  4. Step 4: Simplify right side
    156,990.96x = 13,444,043,620.61
  5. Step 5: Solve for x
    x = 13,444,043,620.61/156,990.96
  6. Step 6: Final answer
    x = 85,635.78

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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.