Home / 156,916.44-216,546.16-85,296.68

Finding the Fourth Proportional to 156,916.44, 216,546.16 and 85,296.68

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Solution

The fourth proportional to 156,916.44, 216,546.16 and 85,296.68 is: 117,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.44 : 216,546.16 = 85,296.68 : x
  2. Step 2: Convert to fraction form
    156,916.44/216,546.16 = 85,296.68/x
  3. Step 3: Cross multiply
    156,916.44x = 216,546.16 × 85,296.68
  4. Step 4: Simplify right side
    156,916.44x = 18,470,668,514.75
  5. Step 5: Solve for x
    x = 18,470,668,514.75/156,916.44
  6. Step 6: Final answer
    x = 117,710.22

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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.