Home / 103,960.41-143,466.17-57,394.72

Finding the Fourth Proportional to 103,960.41, 143,466.17 and 57,394.72

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Solution

The fourth proportional to 103,960.41, 143,466.17 and 57,394.72 is: 79,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,960.41 : 143,466.17 = 57,394.72 : x
  2. Step 2: Convert to fraction form
    103,960.41/143,466.17 = 57,394.72/x
  3. Step 3: Cross multiply
    103,960.41x = 143,466.17 × 57,394.72
  4. Step 4: Simplify right side
    103,960.41x = 8,234,200,656.62
  5. Step 5: Solve for x
    x = 8,234,200,656.62/103,960.41
  6. Step 6: Final answer
    x = 79,205.16

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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.