Home / 103,414.33-142,696.23-58,083.63

Finding the Fourth Proportional to 103,414.33, 142,696.23 and 58,083.63

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Solution

The fourth proportional to 103,414.33, 142,696.23 and 58,083.63 is: 80,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,414.33 : 142,696.23 = 58,083.63 : x
  2. Step 2: Convert to fraction form
    103,414.33/142,696.23 = 58,083.63/x
  3. Step 3: Cross multiply
    103,414.33x = 142,696.23 × 58,083.63
  4. Step 4: Simplify right side
    103,414.33x = 8,288,315,025.71
  5. Step 5: Solve for x
    x = 8,288,315,025.71/103,414.33
  6. Step 6: Final answer
    x = 80,146.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.