Home / 156,974.70-235,387.85-57,065.26

Finding the Fourth Proportional to 156,974.70, 235,387.85 and 57,065.26

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Solution

The fourth proportional to 156,974.70, 235,387.85 and 57,065.26 is: 85,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.70 : 235,387.85 = 57,065.26 : x
  2. Step 2: Convert to fraction form
    156,974.70/235,387.85 = 57,065.26/x
  3. Step 3: Cross multiply
    156,974.70x = 235,387.85 × 57,065.26
  4. Step 4: Simplify right side
    156,974.70x = 13,432,468,861.09
  5. Step 5: Solve for x
    x = 13,432,468,861.09/156,974.70
  6. Step 6: Final answer
    x = 85,570.92

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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.