Home / 156,222.11-215,585.39-84,600.47

Finding the Fourth Proportional to 156,222.11, 215,585.39 and 84,600.47

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Solution

The fourth proportional to 156,222.11, 215,585.39 and 84,600.47 is: 116,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,222.11 : 215,585.39 = 84,600.47 : x
  2. Step 2: Convert to fraction form
    156,222.11/215,585.39 = 84,600.47/x
  3. Step 3: Cross multiply
    156,222.11x = 215,585.39 × 84,600.47
  4. Step 4: Simplify right side
    156,222.11x = 18,238,624,896.13
  5. Step 5: Solve for x
    x = 18,238,624,896.13/156,222.11
  6. Step 6: Final answer
    x = 116,748.04

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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.