Home / 156,912.67-235,294.89-57,003.22

Finding the Fourth Proportional to 156,912.67, 235,294.89 and 57,003.22

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Solution

The fourth proportional to 156,912.67, 235,294.89 and 57,003.22 is: 85,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.67 : 235,294.89 = 57,003.22 : x
  2. Step 2: Convert to fraction form
    156,912.67/235,294.89 = 57,003.22/x
  3. Step 3: Cross multiply
    156,912.67x = 235,294.89 × 57,003.22
  4. Step 4: Simplify right side
    156,912.67x = 13,412,566,379.55
  5. Step 5: Solve for x
    x = 13,412,566,379.55/156,912.67
  6. Step 6: Final answer
    x = 85,477.91

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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.