Home / 156,214.80-215,573.76-84,594.24

Finding the Fourth Proportional to 156,214.80, 215,573.76 and 84,594.24

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Solution

The fourth proportional to 156,214.80, 215,573.76 and 84,594.24 is: 116,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,214.80 : 215,573.76 = 84,594.24 : x
  2. Step 2: Convert to fraction form
    156,214.80/215,573.76 = 84,594.24/x
  3. Step 3: Cross multiply
    156,214.80x = 215,573.76 × 84,594.24
  4. Step 4: Simplify right side
    156,214.80x = 18,236,298,391.14
  5. Step 5: Solve for x
    x = 18,236,298,391.14/156,214.80
  6. Step 6: Final answer
    x = 116,738.61

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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.