Home / 156,922.20-235,309.14-57,012.72

Finding the Fourth Proportional to 156,922.20, 235,309.14 and 57,012.72

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Solution

The fourth proportional to 156,922.20, 235,309.14 and 57,012.72 is: 85,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,922.20 : 235,309.14 = 57,012.72 : x
  2. Step 2: Convert to fraction form
    156,922.20/235,309.14 = 57,012.72/x
  3. Step 3: Cross multiply
    156,922.20x = 235,309.14 × 57,012.72
  4. Step 4: Simplify right side
    156,922.20x = 13,415,614,112.26
  5. Step 5: Solve for x
    x = 13,415,614,112.26/156,922.20
  6. Step 6: Final answer
    x = 85,492.14

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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.