Home / 156,686.83-234,940.11-83,566.59

Finding the Fourth Proportional to 156,686.83, 234,940.11 and 83,566.59

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Solution

The fourth proportional to 156,686.83, 234,940.11 and 83,566.59 is: 125,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686.83 : 234,940.11 = 83,566.59 : x
  2. Step 2: Convert to fraction form
    156,686.83/234,940.11 = 83,566.59/x
  3. Step 3: Cross multiply
    156,686.83x = 234,940.11 × 83,566.59
  4. Step 4: Simplify right side
    156,686.83x = 19,633,143,846.92
  5. Step 5: Solve for x
    x = 19,633,143,846.92/156,686.83
  6. Step 6: Final answer
    x = 125,301.81

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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.