Home / 156,084.96-215,397.25-84,464.98

Finding the Fourth Proportional to 156,084.96, 215,397.25 and 84,464.98

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Solution

The fourth proportional to 156,084.96, 215,397.25 and 84,464.98 is: 116,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,084.96 : 215,397.25 = 84,464.98 : x
  2. Step 2: Convert to fraction form
    156,084.96/215,397.25 = 84,464.98/x
  3. Step 3: Cross multiply
    156,084.96x = 215,397.25 × 84,464.98
  4. Step 4: Simplify right side
    156,084.96x = 18,193,525,334.43
  5. Step 5: Solve for x
    x = 18,193,525,334.43/156,084.96
  6. Step 6: Final answer
    x = 116,561.68

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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.