Home / 106,613.22-147,119.91-58,205.49

Finding the Fourth Proportional to 106,613.22, 147,119.91 and 58,205.49

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Solution

The fourth proportional to 106,613.22, 147,119.91 and 58,205.49 is: 80,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,613.22 : 147,119.91 = 58,205.49 : x
  2. Step 2: Convert to fraction form
    106,613.22/147,119.91 = 58,205.49/x
  3. Step 3: Cross multiply
    106,613.22x = 147,119.91 × 58,205.49
  4. Step 4: Simplify right side
    106,613.22x = 8,563,186,450.31
  5. Step 5: Solve for x
    x = 8,563,186,450.31/106,613.22
  6. Step 6: Final answer
    x = 80,320.12

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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.