Home / 156,217.96-215,579.71-84,596.35

Finding the Fourth Proportional to 156,217.96, 215,579.71 and 84,596.35

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Solution

The fourth proportional to 156,217.96, 215,579.71 and 84,596.35 is: 116,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.96 : 215,579.71 = 84,596.35 : x
  2. Step 2: Convert to fraction form
    156,217.96/215,579.71 = 84,596.35/x
  3. Step 3: Cross multiply
    156,217.96x = 215,579.71 × 84,596.35
  4. Step 4: Simplify right side
    156,217.96x = 18,237,256,600.06
  5. Step 5: Solve for x
    x = 18,237,256,600.06/156,217.96
  6. Step 6: Final answer
    x = 116,742.38

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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.