Home / 156,351.20-215,764.16-84,733.04

Finding the Fourth Proportional to 156,351.20, 215,764.16 and 84,733.04

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Solution

The fourth proportional to 156,351.20, 215,764.16 and 84,733.04 is: 116,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,351.20 : 215,764.16 = 84,733.04 : x
  2. Step 2: Convert to fraction form
    156,351.20/215,764.16 = 84,733.04/x
  3. Step 3: Cross multiply
    156,351.20x = 215,764.16 × 84,733.04
  4. Step 4: Simplify right side
    156,351.20x = 18,282,353,199.85
  5. Step 5: Solve for x
    x = 18,282,353,199.85/156,351.20
  6. Step 6: Final answer
    x = 116,931.33

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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.