Home / 156,942.15-235,413.23-57,105.60

Finding the Fourth Proportional to 156,942.15, 235,413.23 and 57,105.60

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Solution

The fourth proportional to 156,942.15, 235,413.23 and 57,105.60 is: 85,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.15 : 235,413.23 = 57,105.60 : x
  2. Step 2: Convert to fraction form
    156,942.15/235,413.23 = 57,105.60/x
  3. Step 3: Cross multiply
    156,942.15x = 235,413.23 × 57,105.60
  4. Step 4: Simplify right side
    156,942.15x = 13,443,413,461.56
  5. Step 5: Solve for x
    x = 13,443,413,461.56/156,942.15
  6. Step 6: Final answer
    x = 85,658.40

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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.