Home / 156,976.65-235,527.96-57,143.74

Finding the Fourth Proportional to 156,976.65, 235,527.96 and 57,143.74

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Solution

The fourth proportional to 156,976.65, 235,527.96 and 57,143.74 is: 85,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.65 : 235,527.96 = 57,143.74 : x
  2. Step 2: Convert to fraction form
    156,976.65/235,527.96 = 57,143.74/x
  3. Step 3: Cross multiply
    156,976.65x = 235,527.96 × 57,143.74
  4. Step 4: Simplify right side
    156,976.65x = 13,458,948,508.97
  5. Step 5: Solve for x
    x = 13,458,948,508.97/156,976.65
  6. Step 6: Final answer
    x = 85,738.54

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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.