Home / 156,180.72-215,529.08-84,560.80

Finding the Fourth Proportional to 156,180.72, 215,529.08 and 84,560.80

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Solution

The fourth proportional to 156,180.72, 215,529.08 and 84,560.80 is: 116,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180.72 : 215,529.08 = 84,560.80 : x
  2. Step 2: Convert to fraction form
    156,180.72/215,529.08 = 84,560.80/x
  3. Step 3: Cross multiply
    156,180.72x = 215,529.08 × 84,560.80
  4. Step 4: Simplify right side
    156,180.72x = 18,225,311,428.06
  5. Step 5: Solve for x
    x = 18,225,311,428.06/156,180.72
  6. Step 6: Final answer
    x = 116,693.73

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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.