Home / 156,986.16-235,489.22-51,806.04

Finding the Fourth Proportional to 156,986.16, 235,489.22 and 51,806.04

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Solution

The fourth proportional to 156,986.16, 235,489.22 and 51,806.04 is: 77,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.16 : 235,489.22 = 51,806.04 : x
  2. Step 2: Convert to fraction form
    156,986.16/235,489.22 = 51,806.04/x
  3. Step 3: Cross multiply
    156,986.16x = 235,489.22 × 51,806.04
  4. Step 4: Simplify right side
    156,986.16x = 12,199,763,950.89
  5. Step 5: Solve for x
    x = 12,199,763,950.89/156,986.16
  6. Step 6: Final answer
    x = 77,712.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.