Home / 156,096.49-215,413.42-84,476.56

Finding the Fourth Proportional to 156,096.49, 215,413.42 and 84,476.56

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Solution

The fourth proportional to 156,096.49, 215,413.42 and 84,476.56 is: 116,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,096.49 : 215,413.42 = 84,476.56 : x
  2. Step 2: Convert to fraction form
    156,096.49/215,413.42 = 84,476.56/x
  3. Step 3: Cross multiply
    156,096.49x = 215,413.42 × 84,476.56
  4. Step 4: Simplify right side
    156,096.49x = 18,197,384,699.44
  5. Step 5: Solve for x
    x = 18,197,384,699.44/156,096.49
  6. Step 6: Final answer
    x = 116,577.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.