Home / 140,554.82-193,970.22-76,892.62

Finding the Fourth Proportional to 140,554.82, 193,970.22 and 76,892.62

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Solution

The fourth proportional to 140,554.82, 193,970.22 and 76,892.62 is: 106,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.82 : 193,970.22 = 76,892.62 : x
  2. Step 2: Convert to fraction form
    140,554.82/193,970.22 = 76,892.62/x
  3. Step 3: Cross multiply
    140,554.82x = 193,970.22 × 76,892.62
  4. Step 4: Simplify right side
    140,554.82x = 14,914,877,678.92
  5. Step 5: Solve for x
    x = 14,914,877,678.92/140,554.82
  6. Step 6: Final answer
    x = 106,114.31

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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.