Home / 156,684.27-216,220.94-85,063.67

Finding the Fourth Proportional to 156,684.27, 216,220.94 and 85,063.67

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Solution

The fourth proportional to 156,684.27, 216,220.94 and 85,063.67 is: 117,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,684.27 : 216,220.94 = 85,063.67 : x
  2. Step 2: Convert to fraction form
    156,684.27/216,220.94 = 85,063.67/x
  3. Step 3: Cross multiply
    156,684.27x = 216,220.94 × 85,063.67
  4. Step 4: Simplify right side
    156,684.27x = 18,392,546,789.13
  5. Step 5: Solve for x
    x = 18,392,546,789.13/156,684.27
  6. Step 6: Final answer
    x = 117,386.04

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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.