Home / 156,216.96-215,578.34-84,595.35

Finding the Fourth Proportional to 156,216.96, 215,578.34 and 84,595.35

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Solution

The fourth proportional to 156,216.96, 215,578.34 and 84,595.35 is: 116,740.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,216.96 : 215,578.34 = 84,595.35 : x
  2. Step 2: Convert to fraction form
    156,216.96/215,578.34 = 84,595.35/x
  3. Step 3: Cross multiply
    156,216.96x = 215,578.34 × 84,595.35
  4. Step 4: Simplify right side
    156,216.96x = 18,236,923,623.85
  5. Step 5: Solve for x
    x = 18,236,923,623.85/156,216.96
  6. Step 6: Final answer
    x = 116,740.99

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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.