Home / 156,084.06-215,396.57-84,464.07

Finding the Fourth Proportional to 156,084.06, 215,396.57 and 84,464.07

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Solution

The fourth proportional to 156,084.06, 215,396.57 and 84,464.07 is: 116,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,084.06 : 215,396.57 = 84,464.07 : x
  2. Step 2: Convert to fraction form
    156,084.06/215,396.57 = 84,464.07/x
  3. Step 3: Cross multiply
    156,084.06x = 215,396.57 × 84,464.07
  4. Step 4: Simplify right side
    156,084.06x = 18,193,269,894.55
  5. Step 5: Solve for x
    x = 18,193,269,894.55/156,084.06
  6. Step 6: Final answer
    x = 116,560.71

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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.