Home / 156,406.14-234,642.02-67,672.26

Finding the Fourth Proportional to 156,406.14, 234,642.02 and 67,672.26

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Solution

The fourth proportional to 156,406.14, 234,642.02 and 67,672.26 is: 101,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,406.14 : 234,642.02 = 67,672.26 : x
  2. Step 2: Convert to fraction form
    156,406.14/234,642.02 = 67,672.26/x
  3. Step 3: Cross multiply
    156,406.14x = 234,642.02 × 67,672.26
  4. Step 4: Simplify right side
    156,406.14x = 15,878,755,784.37
  5. Step 5: Solve for x
    x = 15,878,755,784.37/156,406.14
  6. Step 6: Final answer
    x = 101,522.59

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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.