Home / 156,179.53-215,527.89-84,559.60

Finding the Fourth Proportional to 156,179.53, 215,527.89 and 84,559.60

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Solution

The fourth proportional to 156,179.53, 215,527.89 and 84,559.60 is: 116,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,179.53 : 215,527.89 = 84,559.60 : x
  2. Step 2: Convert to fraction form
    156,179.53/215,527.89 = 84,559.60/x
  3. Step 3: Cross multiply
    156,179.53x = 215,527.89 × 84,559.60
  4. Step 4: Simplify right side
    156,179.53x = 18,224,952,167.24
  5. Step 5: Solve for x
    x = 18,224,952,167.24/156,179.53
  6. Step 6: Final answer
    x = 116,692.32

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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.