Home / 156,302.32-215,697.42-84,682.34

Finding the Fourth Proportional to 156,302.32, 215,697.42 and 84,682.34

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Solution

The fourth proportional to 156,302.32, 215,697.42 and 84,682.34 is: 116,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,302.32 : 215,697.42 = 84,682.34 : x
  2. Step 2: Convert to fraction form
    156,302.32/215,697.42 = 84,682.34/x
  3. Step 3: Cross multiply
    156,302.32x = 215,697.42 × 84,682.34
  4. Step 4: Simplify right side
    156,302.32x = 18,265,761,834.15
  5. Step 5: Solve for x
    x = 18,265,761,834.15/156,302.32
  6. Step 6: Final answer
    x = 116,861.74

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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.