Home / 156,217.22-215,578.68-84,595.60

Finding the Fourth Proportional to 156,217.22, 215,578.68 and 84,595.60

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Solution

The fourth proportional to 156,217.22, 215,578.68 and 84,595.60 is: 116,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.22 : 215,578.68 = 84,595.60 : x
  2. Step 2: Convert to fraction form
    156,217.22/215,578.68 = 84,595.60/x
  3. Step 3: Cross multiply
    156,217.22x = 215,578.68 × 84,595.60
  4. Step 4: Simplify right side
    156,217.22x = 18,237,006,703.91
  5. Step 5: Solve for x
    x = 18,237,006,703.91/156,217.22
  6. Step 6: Final answer
    x = 116,741.34

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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.