Home / 106,578.41-158,941.26-105,148.33

Finding the Fourth Proportional to 106,578.41, 158,941.26 and 105,148.33

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Solution

The fourth proportional to 106,578.41, 158,941.26 and 105,148.33 is: 156,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,578.41 : 158,941.26 = 105,148.33 : x
  2. Step 2: Convert to fraction form
    106,578.41/158,941.26 = 105,148.33/x
  3. Step 3: Cross multiply
    106,578.41x = 158,941.26 × 105,148.33
  4. Step 4: Simplify right side
    106,578.41x = 16,712,407,659.74
  5. Step 5: Solve for x
    x = 16,712,407,659.74/106,578.41
  6. Step 6: Final answer
    x = 156,808.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.