Home / 156,178.62-215,526.78-84,559.32

Finding the Fourth Proportional to 156,178.62, 215,526.78 and 84,559.32

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Solution

The fourth proportional to 156,178.62, 215,526.78 and 84,559.32 is: 116,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,178.62 : 215,526.78 = 84,559.32 : x
  2. Step 2: Convert to fraction form
    156,178.62/215,526.78 = 84,559.32/x
  3. Step 3: Cross multiply
    156,178.62x = 215,526.78 × 84,559.32
  4. Step 4: Simplify right side
    156,178.62x = 18,224,797,958.59
  5. Step 5: Solve for x
    x = 18,224,797,958.59/156,178.62
  6. Step 6: Final answer
    x = 116,692.02

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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.