Home / 142,862.27-214,329.11-100,824.41

Finding the Fourth Proportional to 142,862.27, 214,329.11 and 100,824.41

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Solution

The fourth proportional to 142,862.27, 214,329.11 and 100,824.41 is: 151,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,862.27 : 214,329.11 = 100,824.41 : x
  2. Step 2: Convert to fraction form
    142,862.27/214,329.11 = 100,824.41/x
  3. Step 3: Cross multiply
    142,862.27x = 214,329.11 × 100,824.41
  4. Step 4: Simplify right side
    142,862.27x = 21,609,606,093.28
  5. Step 5: Solve for x
    x = 21,609,606,093.28/142,862.27
  6. Step 6: Final answer
    x = 151,261.82

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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.