Home / 156,814.23-216,402.48-85,194.84

Finding the Fourth Proportional to 156,814.23, 216,402.48 and 85,194.84

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Solution

The fourth proportional to 156,814.23, 216,402.48 and 85,194.84 is: 117,568.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,814.23 : 216,402.48 = 85,194.84 : x
  2. Step 2: Convert to fraction form
    156,814.23/216,402.48 = 85,194.84/x
  3. Step 3: Cross multiply
    156,814.23x = 216,402.48 × 85,194.84
  4. Step 4: Simplify right side
    156,814.23x = 18,436,373,151.22
  5. Step 5: Solve for x
    x = 18,436,373,151.22/156,814.23
  6. Step 6: Final answer
    x = 117,568.24

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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.