Home / 140,135.73-193,391.42-76,477.62

Finding the Fourth Proportional to 140,135.73, 193,391.42 and 76,477.62

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Solution

The fourth proportional to 140,135.73, 193,391.42 and 76,477.62 is: 105,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,135.73 : 193,391.42 = 76,477.62 : x
  2. Step 2: Convert to fraction form
    140,135.73/193,391.42 = 76,477.62/x
  3. Step 3: Cross multiply
    140,135.73x = 193,391.42 × 76,477.62
  4. Step 4: Simplify right side
    140,135.73x = 14,790,115,147.63
  5. Step 5: Solve for x
    x = 14,790,115,147.63/140,135.73
  6. Step 6: Final answer
    x = 105,541.36

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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.