Home / 156,923.14-235,310.72-57,012.88

Finding the Fourth Proportional to 156,923.14, 235,310.72 and 57,012.88

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Solution

The fourth proportional to 156,923.14, 235,310.72 and 57,012.88 is: 85,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.14 : 235,310.72 = 57,012.88 : x
  2. Step 2: Convert to fraction form
    156,923.14/235,310.72 = 57,012.88/x
  3. Step 3: Cross multiply
    156,923.14x = 235,310.72 × 57,012.88
  4. Step 4: Simplify right side
    156,923.14x = 13,415,741,842.07
  5. Step 5: Solve for x
    x = 13,415,741,842.07/156,923.14
  6. Step 6: Final answer
    x = 85,492.44

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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.