Home / 156,407.27-234,643.71-67,673.39

Finding the Fourth Proportional to 156,407.27, 234,643.71 and 67,673.39

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Solution

The fourth proportional to 156,407.27, 234,643.71 and 67,673.39 is: 101,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,407.27 : 234,643.71 = 67,673.39 : x
  2. Step 2: Convert to fraction form
    156,407.27/234,643.71 = 67,673.39/x
  3. Step 3: Cross multiply
    156,407.27x = 234,643.71 × 67,673.39
  4. Step 4: Simplify right side
    156,407.27x = 15,879,134,124.66
  5. Step 5: Solve for x
    x = 15,879,134,124.66/156,407.27
  6. Step 6: Final answer
    x = 101,524.27

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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.