Home / 106,199.78-146,557.15-58,455.14

Finding the Fourth Proportional to 106,199.78, 146,557.15 and 58,455.14

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Solution

The fourth proportional to 106,199.78, 146,557.15 and 58,455.14 is: 80,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,199.78 : 146,557.15 = 58,455.14 : x
  2. Step 2: Convert to fraction form
    106,199.78/146,557.15 = 58,455.14/x
  3. Step 3: Cross multiply
    106,199.78x = 146,557.15 × 58,455.14
  4. Step 4: Simplify right side
    106,199.78x = 8,567,017,842.33
  5. Step 5: Solve for x
    x = 8,567,017,842.33/106,199.78
  6. Step 6: Final answer
    x = 80,668.89

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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.