Home / 156,884.44-216,502.20-85,264.46

Finding the Fourth Proportional to 156,884.44, 216,502.20 and 85,264.46

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Solution

The fourth proportional to 156,884.44, 216,502.20 and 85,264.46 is: 117,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,884.44 : 216,502.20 = 85,264.46 : x
  2. Step 2: Convert to fraction form
    156,884.44/216,502.20 = 85,264.46/x
  3. Step 3: Cross multiply
    156,884.44x = 216,502.20 × 85,264.46
  4. Step 4: Simplify right side
    156,884.44x = 18,459,942,958.65
  5. Step 5: Solve for x
    x = 18,459,942,958.65/156,884.44
  6. Step 6: Final answer
    x = 117,665.87

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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.