Home / 156,974.09-235,318.72-57,063.72

Finding the Fourth Proportional to 156,974.09, 235,318.72 and 57,063.72

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Solution

The fourth proportional to 156,974.09, 235,318.72 and 57,063.72 is: 85,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.09 : 235,318.72 = 57,063.72 : x
  2. Step 2: Convert to fraction form
    156,974.09/235,318.72 = 57,063.72/x
  3. Step 3: Cross multiply
    156,974.09x = 235,318.72 × 57,063.72
  4. Step 4: Simplify right side
    156,974.09x = 13,428,160,229.59
  5. Step 5: Solve for x
    x = 13,428,160,229.59/156,974.09
  6. Step 6: Final answer
    x = 85,543.80

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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.