Home / 156,038.22-215,332.18-84,418.27

Finding the Fourth Proportional to 156,038.22, 215,332.18 and 84,418.27

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Solution

The fourth proportional to 156,038.22, 215,332.18 and 84,418.27 is: 116,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,038.22 : 215,332.18 = 84,418.27 : x
  2. Step 2: Convert to fraction form
    156,038.22/215,332.18 = 84,418.27/x
  3. Step 3: Cross multiply
    156,038.22x = 215,332.18 × 84,418.27
  4. Step 4: Simplify right side
    156,038.22x = 18,177,969,361.55
  5. Step 5: Solve for x
    x = 18,177,969,361.55/156,038.22
  6. Step 6: Final answer
    x = 116,496.90

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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.